#### Answer

130

#### Work Step by Step

$39\approx40$
$45\approx50$
$22\approx20$
$17\approx\underline{20}$
$\ \ \ \ \ \ \ \ 130$

Published by
Pearson

ISBN 10:
0321955048

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

130

$39\approx40$
$45\approx50$
$22\approx20$
$17\approx\underline{20}$
$\ \ \ \ \ \ \ \ 130$

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