# Chapter 7 - Section 7.5 - Percent and Problem Solving: Sales Tax, Commission, and Discount - Exercise Set - Page 513: 25

amount of discount= 8.90 dollars sales price = 80.10 dollars

#### Work Step by Step

amount of discount = discount rate $\times$ original price = 0.01$\times$ 89=8.9 write 10% as 0.01 sales price= original price - amount of discount=89 - 8.9 = 80.1 dollars

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