Answer
Length is 10 feet.
Width is 4 feet.
Work Step by Step
Let $w$ be the width.
Let $l$ be the length.
$l=3w-2$
$2l+2w=28$
$2(3w-2)+2w=28$
$6w-4+2w=28$
$8w-4=28$
$8w=32$
$w=4$
$l=3w-2$
$l=3(4)-2$
$l=10$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 9 - Cumulative Review - Page 676: 5
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