Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 6 - Review - Page 460: 26



Work Step by Step

Use cross multiplication to solve for x. $\frac{0.07}{0.3}=\frac{7.2}{n}$ $0.07n=(7.2)(0.3)$ $0.07n=2.16$ $0.07n\div0.07=2.16\div0.07$ $n=30.9$
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