Basic College Mathematics (10th Edition)

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

Chapter 6 - Percent - Test - Page 470: 14


The total number of households is 125,000,000.

Work Step by Step

$\frac{part}{whole}=\frac{percent}{100}$ $\frac{100,000}{w}=\frac{0.08}{100}$ Cross multiply to solve for w. $0.08w=(100,000)(100)$ $0.08w\div0.08=10,000,000\div0.08$ $w=125,000,000$
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