Answer
20
Work Step by Step
$\ \ \ 32$
$\underline{-12}$
$\ \ \ 20$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 6 - Cumulative Review - Page 465: 10
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