Answer
15%
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%.
Prealgebra (7th Edition)
by Martin-Gay, Elayn
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 - Page 510: 4
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