Answer
10
Work Step by Step
$$s = 2(24)+2(4x)+2(6x) = 48 + 8x + 12x$$
$$20x = s - 48$$
Given s = 248
$$20x = 248-48=200$$
$$x=10$$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 1 - 1.2 - Linear Equations in One Variable - 1.2 Exercises - Page 88: 66
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