# Chapter 7 - Section 7.5 - Percent and Problem Solving: Sales Tax, Commission, and Discount - Exercise Set: 20

11%

#### Work Step by Step

commission = commission rate $\times$ sales 3575=r$\times$32500 divide both sides by 32500 $\frac{3575}{32500}$ =$\frac{r\times32500}{32500}$ 0.11=r commission rate = 11%

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