Answer
13.64 mph
Work Step by Step
(Convert ft/s to mph)
$\frac{20ft}{1s}\times\frac{1m}{5280ft}\times\frac{3600s}{1hr}=\frac{20(1)(3600)mi}{5280hr}=\frac{72,000mi}{5280hr}\approx13.64 mph$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 3 - Solving Inequalities - Common Core Cumulative Standards Review - Selected Response - Page 230: 17
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