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1.9 Exercise 151

Avg difficulty 2.5

Buying by the case Trader Joe’s grocery stores sold a bottle of wine they called “Two Buck Chuck” for $1.99. They sold a case of 12 bottles for $23.88. To find the cost of 12 bottles at $1.99, notice that 1.99 is 2−0.01.2 - 0.01 .

  1. ⓐ Multiply 12(1.99) by using the distributive property to multiply 12(2−0.01).12 \left(2 - 0.01\right) .
  2. ⓑ Was it a bargain to buy “Two Buck Chuck” by the case?

OpenStax Elementary Algebra 2e, 1.9 Properties of Real Numbers, exercise 151

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Adapted from Elementary Algebra 2e © 2020 Rice University. Licensed under CC BY 4.0. Source: Elementary Algebra 2e. Imported at revision 77a933c.