Answer
See below.
Work Step by Step
$P=2l+2w\\2l=P-2w\\l=\frac{P-2w}{2}$
Thus plugging in $P=30,w=7$: $l=\frac{30-2(7)}{2}=16/2=8$
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 - 1.4 Rewrite Formulas and Equations - Guided Practice for Example 2 - Page 27: 3
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
