Answer
$\frac{18 miles}{1 gallon}$
Work Step by Step
72 miles in 4 gallons
$\frac{72 miles}{4 gallons}$= $\frac{72 miles ÷4}{4 gallons ÷4}$= $\frac{18 miles}{1 gallon}$
Basic College Mathematics (10th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0134467795
ISBN 13:
978-0-13446-779-5
Chapter 5 - Ratio and Proportion - 5.2 Rates - 5.2 Exercises - Page 343: 5
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