Basic College Mathematics (10th Edition)

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

Chapter 5 - Ratio and Proportion - Review Exercises - Page 373: 25



Work Step by Step

We can take the cross products of the given proportion to determine whether or not the proportion is true. If the cross products are equal, then we know that the proportion is true. $\frac{1.5}{2.4}=\frac{2}{3.2}$ $1.5\times3.2=2.4\times2$ $4.8=4.8$ Therefore, the proportion is True.
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