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: 40


$330$ feet by $66$ feet.

Work Step by Step

The equation for this problem is $(x)(5x)=\frac{43,560}{2}$, where $x$ is the width of the building lot. The equation yields to $x=\sqrt \frac{43,560}{2\times 5}=\sqrt {4,356}=66$ feet. After this, the length is simply $(66)(5)=330$ feet.
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