Basic College Mathematics (9th Edition)

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

Chapter 5 - Ratio and Proportion - Review Exercises: 33

Answer

$x=50.4$

Work Step by Step

We can set the cross products of the given proportion equal to each other and then solve for the unknown variable. $x\times.7=3.6\times9.8$ $.7x=35.28$ Divide both sides by .7. $\frac{.7x}{.7}=\frac{35.28}{.7}$ $x=50.4$
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