Basic College Mathematics (10th Edition)

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

Chapter 7 - Measurement - 7.1 Problem Solving with U.S. Measurement Units - 7.1 Exercises - Page 483: 24


0.75 minute

Work Step by Step

45 sec = min Use a unit fraction with minute (the unit for your answer) in the numerator, and second (the unit being changed) in the denominator. Because 60 second (sec) = 1 minute (min), the necessary unit fraction is (1 minute)/(60 second) Multiply 45 times the unit fraction. 45 * (1 minute)/(60 second) = 3/4 min= 0.75 min
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