#### Answer

3.75 hours

#### Work Step by Step

$\frac{80mi}{3hr}=\frac{100mi}{x}$
Cross multiply to solve for x.
$80x=3\times100$
$80x\div80=300\div80$
$x=3.75$

Published by
Pearson

ISBN 10:
0321955048

ISBN 13:
978-0-32195-504-3

3.75 hours

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