Answer
$240$ feet wide.
Work Step by Step
Set up the equation as $(2x)(x)=115,200$, where $x$ is the width of the pasture.
Solving for $x$ yields $x=\sqrt \frac{115,200}{2}=\sqrt {57600} = 240$ feet.
College Algebra 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305115546
ISBN 13:
978-1-30511-554-5
Chapter P, Prerequisites - Section P.9 - Modeling with Equations - P.9 Exercises - Page 71: 38
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