Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 5 - Ratio and Proportion - 5.3 Proportions - 5.3 Exercises - Page 351: 30



Work Step by Step

$\frac{.26}{.39}=\frac{1.3}{1.9}$ Cross products: $.26\times1.9=1.3\times.39$ $.494\ne.507$ Therefore, the proportion is false.
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