Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 1 - Section 1.5 - Problem Solving and Using Formulas - Exercise Set - Page 68: 43


$width=36$ and $length = 78$

Work Step by Step

Since we are given that perimeter = 228 Formula to calculate the perimeter of a rectangle is : Perimeter= 2( Length + Width) or, $P= 2(l+w)$ Here, $l= 2w+6$ Thus, $228= 2 (2w+6+w)$ or, $228=4w+12+2w$ or, $228=12+6w$ Thus, $width=36$ and $length = 2w+6= 2(36)+6= 78$
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