Basic College Mathematics (9th Edition)

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

Chapter 6 - Percent - Test - Page 472: 13



Work Step by Step

$\frac{part}{whole}=\frac{percent}{100}$ $\frac{680}{3400}=\frac{p}{100}$ Cross multiply to solve for p. $3400p=(680)(100)$ $3400p\div3400=68000\div3400$ $p=20$
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