Answer
$x=0~ft$
$x=20~ft$
Work Step by Step
$M=500x(20-x)$
$0=500x(20-x)$
$500x=0$
$x=0$
or
$20-x=0$
$x=20$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 1 - Review Exercises - Page 153: 59a
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