Algebra 1: Common Core (15th Edition)

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


13.64 mph

Work Step by Step

(Convert ft/s to mph) $\frac{20ft}{1s}\times\frac{1m}{5280ft}\times\frac{3600s}{1hr}=\frac{20(1)(3600)mi}{5280hr}=\frac{72,000mi}{5280hr}\approx13.64 mph$
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