Basic College Mathematics (9th Edition)

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

Chapter 6 - Percent - 6.2 Percents and Fractions - 6.2 Exercises - Page 398: 23



Work Step by Step

$\frac{4}{5}=\frac{p}{100}$ We can take the cross products to solve for p. $4\times100=5\times p$ $400=5p$ Divide both sides by 5. $\frac{400}{5}=\frac{5p}{5}$ $p=80$ Therefore, $\frac{4}{5}$=80%$\ne$75%.
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