College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter P, Prerequisites - Section P.1 - Modeling the Real World with Algebra - P.1 Exercises: 7

Answer

Answer: A). Milage = 30 $\frac{miles}{gallon}$ B). Gallons Used = $7 gallons$

Work Step by Step

Mileage of car = $\frac{number of miles driven}{no of gallons of gas used} $ A). Milage = $\frac{240}{8}$ = 30 $\frac{miles}{gallon}$ B). Mileage of car = $\frac{number of miles driven}{no of gallons of gas used} $ i.e. Gallons Used = $\frac{miles driven}{milage}$ = $\frac{175}{25}$ = $7 gallons$
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