6.1 Understanding Percent
Converting among percents, decimals, and fractions, and solving for the part, the whole, or the rate whenever two of the three are known.
9 exercises
6.1 Exercise 1
Rewrite the following as fractions:
- 18%
- 84%
- 38.7%
- 213%
6.1 Exercise 3
Convert the following percents to decimal form:
- 17%
- 7%
- 18.45%
6.1 Exercise 5
Convert each of the following to percent:
- 0.34
- 4.15
- 0.0391
6.1 Exercise 7
- Determine 70% of 3,500
- Determine 156% of 720
6.1 Exercise 9
- What is the total if 35% of the total is 70?
- What is the total if 10% of the total is 4,000?
6.1 Exercise 11
- What percent of 500 is 175?
- What percent of 228 is 155?
6.1 Exercise 13
Justine applies to a medium size university outside her hometown and finds out that the retention rate (percent of students who return for their sophomore year) for the 2021 academic year at the university was 84%. During a visit to the registrar’s office, she finds out that 1,350 people had enrolled in academic year 2021. How many students from the academic year 2021 are returning for the 2022 ac…
6.1 Exercise 15
Cameron enrolls in a calculus class. In this class of 45 students, there are 18 chemistry majors. What percent of the class are chemistry majors?
6.1 Exercise 17
Mariel makes a 20% commission on every sale she makes. One week, her commission check is for $153.00. What were her total sales that week?
Adapted from Contemporary Mathematics © 2023 Rice University. Licensed under CC BY 4.0. Source: Contemporary Mathematics. Imported at revision fa7c1a1.