Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10:
ISBN 13:

Chapter 5 - Ratio and Proportion - Mixed Review Exercises - Page 374: 4

Answer

$x\approx23.08$

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. $15\times100=x\times65$ $1500=65x$ Divide both sides by 65. $\frac{1500}{65}=\frac{65x}{65}$ $x\approx23.08$
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