Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10:
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Chapter 6 - Percent - 6.4 Using Proportions to Solve Percent Problems - 6.4 Exercises - Page 421: 66

Answer

702 drivers in the 30-39 age group were pulled over.

Work Step by Step

6000 is the whole. The percent is 11.7%. The part is unknown. $\frac{x}{6000} = \frac{11.7}{100}$ $100x = 11.7\times6000$ $\frac{100x}{100} = \frac{70200}{100}$ $x = 702$
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