Answer
$44.3s$
Work Step by Step
Convert 20 miles per hour to feet per second
$\frac{20miles}{1hour} \times \frac{5280feet}{1mile} \times \frac{1hour}{3600seconds}=\frac{88}{3}ft/s$
$\frac{1300}{\frac{88}{3}}\approx44.3s$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 2 - Section 2.5 - Formulas and Problem Solving - Exercise Set - Page 151: 85
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