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: 35

Answer

$x\approx2.47$

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. $.82\times5.7=1.89\times x$ $4.674=1.89x$ Divide both sides by 1.89. $\frac{4.674}{1.89}=\frac{1.89x}{1.89}$ $x\approx2.47$
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