Basic College Mathematics (9th Edition)

by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.

Published by Pearson

ISBN 10: 0321825535

ISBN 13: 978-0-32182-553-7

Chapter 5 - Ratio and Proportion - 5.2 Rates - 5.2 Exercises - Page 344: 28

Answer

$3.09/gallon

Work Step by Step

$\frac{55.62}{18 gal}$ = $\frac{55.62\div18}{18\div18 gal}$ = $\frac{3.09}{1 gal}$ = $3.09/gallon

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