Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10:
ISBN 13:

Chapter 6 - Percent - 6.4 Using Proportions to Solve Percent Problems - 6.4 Exercises - Page 418: 38



Work Step by Step

Part=14 ; whole=398 $\frac{14}{398}=\frac{x}{100}$ Write the fraction in the lowest terms: $\frac{7}{199}=\frac{x}{100}$ Cross products: $199x=700$ Solve for x. Round to the nearest tenth if necessary: $x=3.5$
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