Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 1, Equations and Inequalities - 1.5 Use Problem Solving Strategies and Models - 1.5 Exercises - Skill Practice - Page 37: 8



Work Step by Step

Given Information: perimeter formula is $P=2l+2w$, $P=46$ inches, $w=4$ inches, and $l$ is unknown. $P=2l+2w$ $46=(2l)+(2\times4)$ $46=2l+8$ $38=2l$ $l=19$
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