Answer
6 ft wide and 8 ft long
Work Step by Step
l=2w-4
A=wl
48=w(2w-4)
48=2w$^2$-4w
w$^2$+2w-24=0
(w-6)(w+4)=0
w=6
l=2(6)-4=8
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter 1 - Summary, Review, and Test - Test - Page 207: 41
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