Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapter 6 - Percent - Mixed Review Exercises - Page 468: 20



Work Step by Step

In order to write the fraction $\frac{3}{8}$ as a percent, we can set $\frac{3}{8}=\frac{p}{100}$ and solve for p (where $\frac{p}{100}=p$%). We can solve by using cross products. $3\times100=8\times p$ $300=8p$ Divide both sides by 8. $p=37.5$ Therefore, $\frac{3}{8}=\frac{37.5}{100}$=37.5%.
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