1.10 Systems of Measurement

Lexie is 30 inches tall. Convert her height to feet.

Rene bought a hose that is 18 yards long. Convert the length to feet.

Arnold’s SUV weighs about 4.3 tons. Convert the weight to pounds.

The Carnival Destiny cruise ship weighs 51,000 tons. Convert the weight to pounds.

The distance between the earth and the moon is about 250,000 miles. Convert this length to yards.

The astronauts of Expedition 28 on the International Space Station spend 15 weeks in space. Convert the time to minutes.

How many cups are in 1 gallon?

How many teaspoons are in 1 cup?

Laura gave birth to triplets weighing 3 pounds 3 ounces, 3 pounds 3 ounces, and 2 pounds 9 ounces. What was the total birth weight of the three babies?

Stan cut two pieces of crown molding for his family room that were 8 feet 7 inches and 12 feet 11 inches. What was the total length of the molding?

Henri wants to triple his spaghetti sauce recipe that uses 1 pound 8 ounces of ground turkey. How many pounds of ground turkey will he need?

Joellen wants to double a solution of 5 gallons 3 quarts. How many gallons of solution will she have in all?

Sandy completed her first 5K race! How many meters did she run?

Herman bought a rug 2.5 meters in length. How many centimeters is the length?

Kari’s newborn baby weighed 2,800 grams. How many kilograms did the baby weigh?

Anderson received a package that was marked 4,500 grams. How many kilograms did this package weigh?

Convert: ⓐ 725 L to kiloliters ⓑ 6.3 L to milliliters

Convert: ⓐ 350 hL to liters ⓑ 4.1 L to centiliters

Ryland is 1.6 meters tall. His younger brother is 85 centimeters tall. How much taller is Ryland than his younger brother?

Mariella is 1.58 meters tall. Her daughter is 75 centimeters tall. How much taller is Mariella than her daughter? Write the answer in centimeters.

The fence around Hank’s yard is 2 meters high. Hank is 96 centimeters tall. How much shorter than the fence is Hank? Write the answer in meters.

Dena’s recipe for lentil soup calls for 150 milliliters of olive oil. Dena wants to triple the recipe. How many liters of olive oil will she need?

A recipe for Alfredo sauce calls for 250 milliliters of milk. Renata is making pasta with Alfredo sauce for a big party and needs to multiply the recipe amounts by 8. How many liters of milk will she need?

To make one pan of baklava, Dorothea needs 400 grams of filo pastry. If Dorothea plans to make 6 pans of baklava, how many kilograms of filo pastry will she need?

Lee’s water bottle holds 500 mL of water. How many ounces are in the bottle? Round to the nearest tenth of an ounce.

How many quarts of soda are in a 2-L bottle?

How many liters are in 4 quarts of milk?

Soleil was on a road trip and saw a sign that said the next rest stop was in 100 kilometers. How many miles until the next rest stop?

The height of Mount Kilimanjaro is 5,895 meters. Convert the height to feet.

The flight distance from New York City to London is 5,586 kilometers. Convert the distance to miles.

Convert the Fahrenheit temperature to degrees Celsius: $59 °$ Fahrenheit.

Convert the Fahrenheit temperature to degrees Celsius: $41 °$ Fahrenheit.

Convert the Celsius temperature to degrees Fahrenheit: the temperature in Helsinki, Finland, was $15 °$ Celsius.

Convert the Celsius temperature to degrees Fahrenheit: the temperature in Sydney, Australia, was $10 °$ Celsius.

Convert the units.

A park bench is 6 feet long. Convert the length to inches.

Convert the units.

A ribbon is 18 inches long. Convert the length to feet.

Convert the units.

A football field is 160 feet wide. Convert the width to yards.

Convert the units.

Ulises lives 1.5 miles from school. Convert the distance to feet.

Convert the units.

A killer whale weighs 4.6 tons. Convert the weight to pounds.

Convert the units.

An empty bus weighs 35,000 pounds. Convert the weight to tons.

Convert the units.

Rocco waited $1 \frac{1}{2}$ hours for his appointment. Convert the time to seconds.

Convert the units.

How many teaspoons are in a pint?

Convert the units.

JJ’s cat, Posy, weighs 14 pounds. Convert her weight to ounces.

Convert the units.

Crista will serve 20 cups of juice at her son’s party. Convert the volume to gallons.

Convert the units.

Jon is 6 feet 4 inches tall. Convert his height to inches.

Convert the units.

The voyage of the Mayflower took 2 months and 5 days. Convert the time to days.

Convert the units.

Baby Preston weighed 7 pounds 3 ounces at birth. Convert his weight to ounces.

Solve.

Eli caught three fish. The weights of the fish were 2 pounds 4 ounces, 1 pound 11 ounces, and 4 pounds 14 ounces. What was the total weight of the three fish?

Solve.

One day Anya kept track of the number of minutes she spent driving. She recorded 45, 10, 8, 65, 20, and 35. How many hours did Anya spend driving?

Solve.

Renee attached a 6 feet 6 inch extension cord to her computer’s 3 feet 8 inch power cord. What was the total length of the cords?

Solve.

Leilani wants to make 8 placemats. For each placemat she needs 18 inches of fabric. How many yards of fabric will she need for the 8 placemats?

Convert the units.

Ghalib ran 5 kilometers. Convert the length to meters.

Convert the units.

Estrella is 1.55 meters tall. Convert her height to centimeters.

Convert the units.

Mount Whitney is 3,072 meters tall. Convert the height to kilometers.

Convert the units.

June’s multivitamin contains 1,500 milligrams of calcium. Convert this to grams.

Convert the units.

One stick of butter contains 91.6 grams of fat. Convert this to milligrams.

Convert the units.

The maximum mass of an airmail letter is 2 kilograms. Convert this to grams.

Convert the units.

A bottle of wine contained 750 milliliters. Convert this to liters.

Solve.

Matthias is 1.8 meters tall. His son is 89 centimeters tall. How much taller is Matthias than his son?

Solve.

A typical dove weighs 345 grams. A typical duck weighs 1.2 kilograms. What is the difference, in grams, of the weights of a duck and a dove?

Solve.

Harry mailed 5 packages that weighed 420 grams each. What was the total weight of the packages in kilograms?

Solve.

Jonas drinks 200 milliliters of water 8 times a day. How many liters of water does Jonas drink in a day?

Make the unit conversions. Round to the nearest tenth.

Bill is 75 inches tall. Convert his height to centimeters.

Make the unit conversions. Round to the nearest tenth.

Marcus passed a football 24 yards. Convert the pass length to meters

Make the unit conversions. Round to the nearest tenth.

Each American throws out an average of 1,650 pounds of garbage per year. Convert this weight to kilograms.

Make the unit conversions. Round to the nearest tenth.

A 5K run is 5 kilometers long. Convert this length to miles.

Make the unit conversions. Round to the nearest tenth.

Dawn’s suitcase weighed 20 kilograms. Convert the weight to pounds.

Make the unit conversions. Round to the nearest tenth.

Ozzie put 14 gallons of gas in his truck. Convert the volume to liters.

Convert the Fahrenheit temperatures to degrees Celsius. Round to the nearest tenth.

$86 °$ Fahrenheit

Convert the Fahrenheit temperatures to degrees Celsius. Round to the nearest tenth.

$104 °$ Fahrenheit

Convert the Fahrenheit temperatures to degrees Celsius. Round to the nearest tenth.

$72 °$ Fahrenheit

Convert the Fahrenheit temperatures to degrees Celsius. Round to the nearest tenth.

$0 °$ Fahrenheit

Convert the Celsius temperatures to degrees Fahrenheit. Round to the nearest tenth.

$5 °$ Celsius

Convert the Celsius temperatures to degrees Fahrenheit. Round to the nearest tenth.

$− 10 °$ Celsius

Convert the Celsius temperatures to degrees Fahrenheit. Round to the nearest tenth.

$22 °$ Celsius

Convert the Celsius temperatures to degrees Fahrenheit. Round to the nearest tenth.

$43 °$ Celsius

Nutrition Julian drinks one can of soda every day. Each can of soda contains 40 grams of sugar. How many kilograms of sugar does Julian get from soda in 1 year?

Some people think that $65 ° \text{to} 75 °$ Fahrenheit is the ideal temperature range.

1. ⓐ What is your ideal temperature range? Why do you think so?
2. ⓑ Convert your ideal temperatures from Fahrenheit to Celsius.

In the following exercises find the place value of each digit.

26,915

ⓐ 1 ⓑ 2 ⓒ 9 ⓓ 5 ⓔ 6

In the following exercises find the place value of each digit.

58,129,304

ⓐ 5 ⓑ 0 ⓒ 1 ⓓ 8 ⓔ 2

Name each number.

6,104

Name each number.

3,975,284

Write each number as a whole number using digits.

three hundred fifteen

Write each number as a whole number using digits.

ninety million, four hundred twenty-five thousand, sixteen

Round to the indicated place value.

Round to the nearest ten.

ⓐ 407 ⓑ 8,564

Round each number to the nearest ⓐ hundred ⓑ thousand ⓒ ten thousand.

864,951

Use the divisibility tests to determine whether each number is divisible by 2, by 3, by 5, by 6, and by 10.

168

Use the divisibility tests to determine whether each number is divisible by 2, by 3, by 5, by 6, and by 10.

375

Use the divisibility tests to determine whether each number is divisible by 2, by 3, by 5, by 6, and by 10.

1430

Find the prime factorization.

420

Find the prime factorization.

225

Find the prime factorization.

1560

Find the prime factorization.

72

Find the prime factorization.

252

Find the least common multiple of the following numbers using the multiples method.

6,15

Find the least common multiple of the following numbers using the prime factors method.

24, 30

Translate the following from algebra to English.

$25 - 7$

Translate the following from algebra to English.

$45 \div 5$

Translate the following from algebra to English.

$42 \geq 27$

Translate the following from algebra to English.

$3 \leq 20 \div 4$

Determine if each is an expression or an equation.

$6 \cdot 3 + 5$

Simplify each expression.

$3^{5}$

Simplify

$6 + 10 / 2 + 2$

Simplify

$20 \div \left(4 + 6\right) \cdot 5$

Simplify

$\left(4^{2} + 5^{2}\right)^{2}$

Evaluate the following expressions.

$9 x + 7$ when $x = 3$

Evaluate the following expressions.

$x^{4}$ when $x = 3$

Evaluate the following expressions.

$x^{2} + 5 x - 8$ when $x = 6$

Identify the coefficient of each term.

$12 n$

Identify the like terms.

$3 n , n^{2} , 12 , 12 p^{2} , 3 , 3 n^{2}$

Identify the terms in each expression.

$11 x^{2} + 3 x + 6$

Simplify the following expressions by combining like terms.

$17 a + 9 a$

Simplify the following expressions by combining like terms.

$9 x + 3 x + 8$

Simplify the following expressions by combining like terms.

$7 p + 6 + 5 p - 4$

Translate the following phrases into algebraic expressions.

the sum of 8 and 12

Translate the following phrases into algebraic expressions.

the difference of $x$ and 4

Translate the following phrases into algebraic expressions.

the product of 6 and $y$

Translate the following phrases into algebraic expressions.

Adele bought a skirt and a blouse. The skirt cost $15 more than the blouse. Let $b$ represent the cost of the blouse. Write an expression for the cost of the skirt.

Order each of the following pairs of numbers, using < or >.

ⓐ $6 ___ 2$
ⓑ $−7 ___ 4$
ⓒ $−9 ___ −1$
ⓓ $9 ___ −3$

, find the opposite of each number.

ⓐ $−8$ ⓑ 1

Simplify.

$− \left(−19\right)$

Simplify.

$− m$ when
ⓐ $m = 3$
ⓑ $m = −3$

, simplify.

ⓐ $\left|7\right|$ ⓑ $\left|−25\right|$ ⓒ $\left|0\right|$

Fill in <, >, or = for each of the following pairs of numbers.

ⓐ $−8 ___ \left|−8\right|$
ⓑ $− \left|−2\right| ___ −2$

Simplify.

$\left|8 - 4\right|$

Simplify.

$8 \left(14 - 2 \left|−2\right|\right)$

Evaluate.

ⓐ $\left|x\right|$ when $x = −28$ ⓑ $\left|x\right|$ when $x = −15$

Simplify each expression.

$−200 + 65$

Simplify each expression.

$2 + \left(−8\right) + 6$

Simplify each expression.

$140 + \left(−75\right) + 67$

Simplify.

$9 - 3$

Simplify.

ⓐ $15 - 6$ ⓑ $15 + \left(−6\right)$

Simplify.

ⓐ $8 - \left(−9\right)$ ⓑ $8 + 9$

Simplify each expression.

$10 - \left(−19\right)$

Simplify each expression.

$31 - 79$

Simplify each expression.

$−31 - 11$

Simplify each expression.

$−15 - \left(−28\right) + 5$

Simplify each expression.

$−16 - \left(−4 + 1\right) - 7$

Multiply.

$−5 \left(7\right)$

Multiply.

$−18 \left(−2\right)$

Divide.

$−28 \div 7$

Divide.

$−120 \div \left(−20\right)$

Simplify each expression.

$−8 \left(−2\right) - 3 \left(−9\right)$

Simplify each expression.

$\left(−5\right)^{3}$

Simplify each expression.

$−4 \cdot 2 \cdot 11$

Simplify each expression.

$−10 \left(−4\right) \div \left(−8\right)$

Simplify each expression.

$31 - 4 \left(3 - 9\right)$

Evaluate each expression.

$x + 8$ when ⓐ $x = −26$ⓑ $x = −95$

Evaluate each expression.

When $b = −11$, evaluate:ⓐ $b + 6$ ⓑ $− b + 6$

Evaluate each expression.

$p^{2} - 5 p + 2$ when
$p = −1$

Evaluate each expression.

$6 x - 5 y + 15$ when $x = 3$ and $y = −1$

Translate to an algebraic expression and simplify if possible.

the sum of $−4$ and $−17$, increased by 32

Translate to an algebraic expression and simplify if possible.

the quotient of $−45$ and $−9$

Solve.

Temperature The high temperature one day in Miami Beach, Florida, was $76 °$. That same day, the high temperature in Buffalo, New York was $− 8 °$. What was the difference between the temperature in Miami Beach and the temperature in Buffalo?

Find three fractions equivalent to the given fraction. Show your work, using figures or algebra.

$\frac{1}{4}$

Find three fractions equivalent to the given fraction. Show your work, using figures or algebra.

$\frac{5}{6}$

Simplify.

$\frac{7}{21}$

Simplify.

$\frac{15}{20}$

Simplify.

$- \frac{168}{192}$

Simplify.

$\frac{11 x}{11 y}$

Multiply.

$\frac{2}{5} \cdot \frac{1}{3}$

Multiply.

$\frac{7}{12} \left(- \frac{8}{21}\right)$

Multiply.

$−28 p \left(- \frac{1}{4}\right)$

Multiply.

$\frac{14}{5} \left(−15\right)$

Divide.

$\frac{1}{2} \div \frac{1}{4}$

Divide.

$- \frac{4}{5} \div \frac{4}{7}$

Divide.

$\frac{5}{8} \div \frac{a}{10}$

Divide.

$\frac{7 p}{12} \div \frac{21 p}{8}$

Divide.

$\frac{2}{5} \div \left(−10\right)$

Simplify.

$\frac{\frac{2}{3}}{\frac{8}{9}}$

Simplify.

$\frac{- \frac{9}{10}}{3}$

Simplify.

$\frac{\frac{r}{5}}{\frac{s}{3}}$

Simplify.

$\frac{4 + 11}{8}$

Simplify.

$\frac{30}{7 - 12}$

Simplify.

$\frac{22 - 14}{19 - 13}$

Simplify.

$\frac{5 \cdot 8}{−10}$

Simplify.

$\frac{15 \cdot 5 - 5^{2}}{2 \cdot 10}$

Simplify.

$\frac{2 + 4 \left(3\right)}{−3 - 2^{2}}$

Translate each English phrase into an algebraic expression.

the quotient of c and the sum of d and 9.

Add.

$\frac{4}{9} + \frac{1}{9}$

Add.

$\frac{y}{3} + \frac{2}{3}$

Add.

$- \frac{1}{8} + \left(- \frac{3}{8}\right)$

Subtract.

$\frac{4}{5} - \frac{1}{5}$

Subtract.

$\frac{y}{17} - \frac{9}{17}$

Subtract.

$- \frac{8}{d} - \frac{3}{d}$

Add or subtract.

$\frac{1}{3} + \frac{1}{5}$

Add or subtract.

$\frac{1}{5} - \left(- \frac{1}{10}\right)$

Add or subtract.

$\frac{2}{3} + \frac{3}{4}$

Add or subtract.

$\frac{11}{12} - \frac{3}{8}$

Add or subtract.

$- \frac{9}{16} - \left(- \frac{4}{5}\right)$

Add or subtract.

$1 + \frac{5}{6}$

Simplify.

$\frac{\left(\frac{1}{5}\right)^{2}}{2 + 3^{2}}$

Simplify.

$\frac{\frac{2}{3} + \frac{1}{2}}{\frac{3}{4} - \frac{2}{3}}$

Evaluate.

$x + \frac{1}{2}$ when
ⓐ $x = - \frac{1}{8}$
ⓑ $x = - \frac{1}{2}$

Evaluate.

$4 p^{2} q$ when $p = - \frac{1}{2}$ and $q = \frac{5}{9}$

Evaluate.

$\frac{u + v}{w}$ when
$u = −4 , v = −8 , w = 2$

Write as a decimal.

Eight and three hundredths

Write as a decimal.

One thousandth

Name each decimal.

7.8

Name each decimal.

0.005

Round each number to the nearest ⓐ hundredth ⓑ tenth ⓒ whole number.

5.7932

Round each number to the nearest ⓐ hundredth ⓑ tenth ⓒ whole number.

12.4768

Add or subtract.

$18.37 + 9.36$

Add or subtract.

$15.35 - 20.88$

Add or subtract.

$−4.2 + \left(−9.3\right)$

Add or subtract.

$100 - 64.2$

Add or subtract.

$2.51 + 40$

Multiply.

$\left(0.3\right) \left(0.4\right)$

Multiply.

$\left(8.52\right) \left(3.14\right)$

Multiply.

$\left(0.09\right) \left(24.78\right)$

Divide.

$0.15 \div 5$

Divide.

$$8.49 \div 12$

Divide.

$12 \div 0.08$

Write each decimal as a fraction.

0.08

Write each decimal as a fraction.

0.425

Write each decimal as a fraction.

1.75

Convert each fraction to a decimal.

$\frac{2}{5}$

Convert each fraction to a decimal.

$- \frac{3}{8}$

Convert each fraction to a decimal.

$\frac{5}{9}$

Convert each fraction to a decimal.

$\frac{1}{2} + 6.5$

Convert each percent to a decimal.

5%

Convert each percent to a decimal.

40%

Convert each percent to a decimal.

115%

Convert each decimal to a percent.

0.18

Convert each decimal to a percent.

0.009

Convert each decimal to a percent.

1.5

Simplify.

$\sqrt{64}$

Simplify.

$− \sqrt{25}$

Write as the ratio of two integers.

ⓐ 9 ⓑ 8.47

List the ⓐ rational numbers, ⓑ irrational numbers.

$0.84 , 0.79132 \ldots , 1. \overset{–}{3}$

Identify whether each number is rational or irrational.

ⓐ $\sqrt{121}$ ⓑ $\sqrt{48}$

Identify whether each number is a real number or not a real number.

ⓐ $\sqrt{−9}$ ⓑ $− \sqrt{169}$

List the ⓐ whole numbers, ⓑ integers, ⓒ rational numbers, ⓓ irrational numbers, ⓔ real numbers for each set of numbers.

$−4 , 0 , \frac{5}{6} , \sqrt{16} , \sqrt{18} , 5.2537 \ldots$

Order each of the following pairs of numbers, using < or >.

$−1 ___ - \frac{1}{8}$

Order each of the following pairs of numbers, using < or >.

$- \frac{7}{9} ___ - \frac{4}{9}$

Order each of the following pairs of numbers, using < or >.

$0.9 ___ 0.6$

Order each of the following pairs of numbers, using < or >.

$−0.6 ___ −0.59$

Use the Associative Property to simplify.

$−12 \left(4 m\right)$

Use the Associative Property to simplify.

$\left(a + 16\right) + 31$

Simplify.

$6 y + 37 + \left(−6 y\right)$

Simplify.

$\frac{14}{11} + \frac{35}{9} + \left(- \frac{14}{11}\right)$

Simplify.

$\left(\frac{7}{12} + \frac{4}{5}\right) + \frac{1}{5}$

Simplify.

$11 x + 8 y + 16 x + 15 y$

Find the additive inverse of each number.

ⓐ $\frac{1}{3}$
ⓑ $5.1$
ⓒ $−14$
ⓓ $- \frac{8}{5}$

Find the multiplicative inverse of each number.

ⓐ 10 ⓑ $- \frac{4}{9}$ ⓒ 0.6

Simplify.

$83 \cdot 0$

Simplify.

$\frac{5}{0}$

Simplify.

$43 + 39 + \left(−43\right)$

Simplify.

$\frac{5}{13} \cdot 57 \cdot \frac{13}{5}$

Simplify.

$\frac{2}{3} \cdot 28 \cdot \frac{3}{7}$

Simplify using the Distributive Property.

$7 \left(x + 9\right)$

Simplify using the Distributive Property.

$−3 \left(6 m - 1\right)$

Simplify using the Distributive Property.

$\frac{1}{3} \left(15 n - 6\right)$

Simplify using the Distributive Property.

$\left(a - 4\right) - \left(6 a + 9\right)$

Convert the units. Round to the nearest tenth.

A floral arbor is 7 feet tall. Convert the height to inches.

Convert the units. Round to the nearest tenth.

Kelly is 5 feet 4 inches tall. Convert her height to inches.

Convert the units. Round to the nearest tenth.

The height of Mount Shasta is 14,179 feet. Convert the height to miles.

Convert the units. Round to the nearest tenth.

The play lasted hours. Convert the time to minutes.

Convert the units. Round to the nearest tenth.

Naomi’s baby weighed 5 pounds 14 ounces at birth. Convert the weight to ounces.

Solve.

John caught 4 lobsters. The weights of the lobsters were 1 pound 9 ounces, 1 pound 12 ounces, 4 pounds 2 ounces, and 2 pounds 15 ounces. What was the total weight of the lobsters?

Solve.

Fouad is 6 feet 2 inches tall. If he stands on a rung of a ladder 8 feet 10 inches high, how high off the ground is the top of Fouad’s head?

Convert the units.

Donna is 1.7 meters tall. Convert her height to centimeters.

Convert the units.

One cup of yogurt contains 488 milligrams of calcium. Convert this to grams.

Convert the units.

Sergio weighed 2.9 kilograms at birth. Convert this to grams.

In the following exerices, solve.

Minh is 2 meters tall. His daughter is 88 centimeters tall. How much taller is Minh than his daughter?

In the following exerices, solve.

One serving of cranberry juice contains 30 grams of sugar. How many kilograms of sugar are in 30 servings of cranberry juice?

Make the unit conversions. Round to the nearest tenth.

Majid is 69 inches tall. Convert his height to centimeters.

Make the unit conversions. Round to the nearest tenth.

Caroline walked 2.5 kilometers. Convert this length to miles.

Make the unit conversions. Round to the nearest tenth.

Steve’s car holds 55 liters of gas. Convert this to gallons.

Convert the Fahrenheit temperatures to degrees Celsius. Round to the nearest tenth.

95° Fahrenheit

Convert the Fahrenheit temperatures to degrees Celsius. Round to the nearest tenth.

20° Fahrenheit

Convert the Celsius temperatures to degrees Fahrenheit. Round to the nearest tenth.

30° Celsius

Convert the Celsius temperatures to degrees Fahrenheit. Round to the nearest tenth.

–12° Celsius

Write as a whole number using digits: two hundred five thousand, six hundred seventeen.

Find the Least Common Multiple of 18 and 24.

Evaluate.

$− \left|x\right|$ when $x = −2$

Evaluate.

Translate to an algebraic expression and simplify: twenty less than negative 7.

Evaluate.

Round 677.1348 to the nearest hundredth.

Evaluate.

Convert 1.85 to a percent.

Simplify each expression.

$4 + 10 \left(3 + 9\right) - 5^{2}$

Simplify each expression.

$−19 - 25$

Simplify each expression.

$−5 \left(−9\right) \div 15$

Simplify each expression.

$\frac{4}{5} \div \frac{9}{20}$

Simplify each expression.

$\frac{m}{7} + \frac{10}{7}$

Simplify each expression.

$−5.8 + \left(−4.7\right)$

Simplify each expression.

$\left(0.07\right) \left(31.95\right)$

Simplify each expression.

$−14 \left(\frac{5}{7} p\right)$

Simplify each expression.

$6 x + \left(−4 y\right) + 9 x + 8 y$

Simplify each expression.

$\frac{75}{0}$

Simplify each expression.

A movie lasted $1 \frac{2}{3}$ hours. How many minutes did it last? (1 hour = 60 minutes)

Simplify each expression.

Jennifer ran 2.8 miles. Convert this length to kilometers. (1 mile = 1.61 kilometers)