#### Answer

$\frac{100-y}{20}$

#### Work Step by Step

LCD is 20.
$5-\frac{y}{20}=\frac{5}{1}-\frac{y}{20}=\frac{5\times20}{1\times20}-\frac{y}{20}=\frac{100}{20}-\frac{y}{20}=\frac{100-y}{20}$

Published by
Pearson

ISBN 10:
0321955048

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

$\frac{100-y}{20}$

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