Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 9 - Section 9.4 - Variation and Problem Solving - Exercise Set - Page 663: 21


$54$ mph

Work Step by Step

$R=\frac{k}{T}$ $R=45; T=6$ $45=\frac{k}{6}$ $k=270$ $R=\frac{270}{T}$ When $T$ is 5, $R=\frac{270}{5}$ $R=54$ mph
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