Answer
24 inches
Work Step by Step
$72 = a + b + \frac{1}{2}(a+b)$
$144 = 2a + 2b + a + b$
$144 = 3a + 3b$
$48 = a + b$
$24 = \frac{a + b}{2}$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 1, Equations and Inequalities - 1.7 Solve Absolute Value Equations and Inequalities - Mixed Review - Lessons 1.5-1.7 - Page 59: 4
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