Answer
35 ft
Work Step by Step
percent * base = amount
$60\%\times h=21$
$0.6h=21$
$0.6h\div0.6=21\div0.6$
$35=h$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 7 - Section 7.4 - Applications of Percent - Exercise Set - Page 504: 31
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