Answer
$54$ 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
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
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
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