Basic College Mathematics (9th Edition)

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

Chapter 7 - Measurement - 7.1 Problem Solving with U.S. Measurement Units - 7.1 Exercises: 13

Answer

a.) 0.5 gal b.) 78 inches

Work Step by Step

a.) 2 qt = 1/2 gal or 0.5 gal You are converting from a smaller unit to a larger unit (a quart is smaller than a gallon) so divide. Because 4 qt = 1 gal, divide by 4. 2 qt= 2/4 gal = 1/2 gal =0.5 gal b.) 6 1/2 ft = 78 inches You are converting from a larger unit to a smaller unit (a foot is longer than an inch), so multiply. Because 1 ft = 12 in., multiply by 12. 6 1/2 ft = 13/2 * 12/1 = 78 inches
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