Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 6 - Percent - 6.6 Solving Application Problems with Percent - 6.6 Exercises - Page 441: 14

Answer

Rate of commission is 15%.

Work Step by Step

$\frac{1170}{7800}=\frac{x}{100}$ $7800x=1170\times100$ $\frac{7800x}{7800}=\frac{117000}{7800}$ $x=15$
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