#### Answer

The proportion is
$\frac{85}{100}=\frac{520}{x}$

#### Work Step by Step

A percent proportion is
$\frac{percent}{100}=\frac{amount}{base}$

Published by
Pearson

ISBN 10:
0321955048

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

The proportion is
$\frac{85}{100}=\frac{520}{x}$

A percent proportion is
$\frac{percent}{100}=\frac{amount}{base}$

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