Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 4 - Section 4.4 - Systems of Linear Equations and Problem Solving - Exercise Set - Page 322: 56

Answer

length is 72 feet, width is 40 feet

Work Step by Step

$l+2w=152$ $w=1/2*l+4$ $l+2w=152$ $l+2*(1/2*l+4)=152$ $l+l+8=152$ $2l=144$ $2l/2=144/2$ $l=72$ $l+2w=152$ $72+2w=152$ $2w=80$ $2w/2=80/2$ $w=40$
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