Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 6 - Test: 18

Answer

3.75 hours

Work Step by Step

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