Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 7 - Section 7.5 - Percent and Problem Solving: Sales Tax, Commission, and Discount - Practice: 4



Work Step by Step

commission = commission rate $\times$ sales 645 = r $\times$ 4300 divide both sides by 4300 $\frac{645}{4300}$ = $\frac{r\times4300}{4300}$ 0.15 = r 15%=r The commission rate is 15%.
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