#### Answer

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#### Work Step by Step

$\frac{part}{whole}=\frac{percent}{100}$
$\frac{680}{3400}=\frac{p}{100}$
Cross multiply to solve for p.
$3400p=(680)(100)$
$3400p\div3400=68000\div3400$
$p=20$

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Published by
Pearson

ISBN 10:
0134467795

ISBN 13:
978-0-13446-779-5

20%

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