Answer
The commission rate is 8%.
Work Step by Step
commission=rate*sales
$628=(r)(7850)$
$628\div7850=7850r\div7850$
$0.08=r$
Basic College Mathematics (10th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0134467795
ISBN 13:
978-0-13446-779-5
Chapter 6 - Percent - Test - Page 470: 16
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