Algebra 2 (1st Edition)

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


See below.

Work Step by Step

$P=2l+2w\\2l=P-2w\\l=\frac{P-2w}{2}$ Thus plugging in $P=30,w=7$: $l=\frac{30-2(7)}{2}=16/2=8$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After 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.