Answer
$x=0$
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.
$x\times20=52\times0$
$20x=0$
Divide both sides by 20.
$\frac{20x}{20}=\frac{0}{20}$
$x=0$
Basic College Mathematics (10th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0134467795
ISBN 13:
978-0-13446-779-5
Chapter 5 - Ratio and Proportion - Mixed Review Exercises - Page 374: 2
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