Basic College Mathematics (10th Edition)

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

Chapter 5 - Ratio and Proportion - Summary Exercises - Ratio, Rates and Proportions - Page 359: 21


$x = 1.56$

Work Step by Step

$\frac{2.6}{x} = \frac{13}{7.8}$ $13x = 2.6\times7.8$ $\frac{13x}{13} = \frac{20.28}{13}$ $x = 1.56$
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