Answer
15 ft/sec
Work Step by Step
A unit rate has 1 in the denominator.
$\frac{180ft}{12sec}=\frac{180ft\div12}{12sec\div12}=\frac{15ft}{1sec}$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 6 - Review - Page 459: 10
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