Answer
The side lengths are 28cm, 16cm, 31cm.
Work Step by Step
The perimeter is 75 centimeters.
$2x+3.5x+3x+7=75$
$8.5x=68$
$x=8$
The side lengths are 28cm, 16cm, 31cm.
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 2 - Section 2.2 - An Introduction to Problem Solving - Exercise Set - Page 65: 28
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