Answer
$4$
Work Step by Step
The length of the rectangle is $w+10$. The width of the rectangle is $w$.
$w + w + 10 + w + w + 10 = 36$
$4w+20=36$
$4w=16$
$w=4$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Common Core End-of-Course Assessment - Page 797: 45
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