Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 2 - Real Numbers - 2.3 - Real Numbers and Algebraic Expressions - Problem Set 2.3: 88

Answer

$= 21.8$ miles per gallon

Work Step by Step

1. Subtract the final and initial distance to find the distance travelled $= 25,170.5 - 24,876.2$ $= 294.3$ miles 2. Let $x = $ the number of miles per gallon: $13.5x = 294.3$ $x = \frac{294.3}{13.5}$ $x = 21.8$ miles per gallon
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