College Algebra 7th Edition

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


$240$ 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.
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