#### Answer

$\frac{11}{21}$

#### Work Step by Step

$(\frac{5}{21}\div\frac{1}{2})+(\frac{1}{7}\times\frac{1}{3})$
$=(\frac{5}{21}\times\frac{2}{1})+\frac{1}{21}$
$=\frac{10}{21}+\frac{1}{21}$
$=\frac{11}{21}$

Published by
Pearson

ISBN 10:
0321955048

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

$\frac{11}{21}$

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