Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapter 7 - Measurement - Summary Exercises - U.S. and Metric Measurement Units - Page 504: 22

Answer

4.5 gal

Work Step by Step

18 qt to gallons Use a unit fraction with gallon (the unit for your answer) in the numerator, and quarts (the unit being changed) in the denominator. Because 4 quarts (qt) = 1 gallon (gal), the necessary unit fraction is (1 gal)/(4 qt) Multiply 18 qt times the unit fraction. 18 * (1 gal)/(4 qt) = 9/(2 ) gal = 4.5 gal
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