Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 5 - Ratio and Proportion - Review Exercises - Page 375: 66

Answer

Answer 7.5 Hours.

Work Step by Step

Let's assume the x is hours mover can run on 2 gallons of gas. Now, we will write the proportion for the given details $\frac{0.8}{3} = \frac{2}{x}$ so. $0.8\times x = 2\times3$ (cross multiply) $0.8 x = 6$ $x = 7.5 $ (divide both sides by 0.8) 7.5 hours mover can run on 2 gallons of gas.
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