#### Answer

$x=13\frac{1}{3}$

#### Work Step by Step

In similar triangles, the ratio of the lengths of corresponding sides is the same.
$\frac{20}{30}=\frac{x}{20}$
$30x=20\times20$
$30x\div30=400\div30$
$x=13\frac{1}{3}$

Published by
Pearson

ISBN 10:
0321955048

ISBN 13:
978-0-32195-504-3

$x=13\frac{1}{3}$

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