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: 13

Answer

$\frac{21 miles}{1 gallon}$

Work Step by Step

Start Reading = 27, 432.3 End Reading = 27, 758.2 Miles Travelled = End Reading – Start Reading = 27, 758.2- 27, 432.3 = 325.9 325.9 miles 15.5 gallons $\frac{325.9 miles}{15.5 gallons}$= $\frac{21.02 miles}{1 gallon}$ $\frac{21 miles}{1 gallon}$

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