Question

7. Write an equation that can be used to solve the following problema

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Elizabeth bought 3 hardcover books that normally cost $22.50 each. She used a coupon
that reduced the price of each by $1.75. Write an equation that can be used to find e, the
total cost of the books (before tax).

Answer 1

Answer:(22.5/3)-1.75=e

Explanation:

3x/3=22.5/3

x=7.5 per book

7.5-1.75=5.75 per book after coupon