#### Answer

d. 20

#### Work Step by Step

$5\frac{1}{6}{\approx5}$
$3\frac{5}{7}\approx4$
$5\times4=20$

Published by
Pearson

ISBN 10:
0321955048

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

d. 20

$5\frac{1}{6}{\approx5}$
$3\frac{5}{7}\approx4$
$5\times4=20$

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