Basic College Mathematics (10th Edition)

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

Chapter 7 - Measurement - Review Exercises - Page 525: 14

Answer

$\frac{3}{4}$ or 0.75 hr

Work Step by Step

45 min to hours Put the unit for the answer (hours) in the numerator of the unit fraction; put the unit you want to change (min) in the denominator. As we know 1 hr = 60 min Unit Fraction equivalent to 1 = (1 hr)/(60 min) Multiply 45 min times the unit fraction. 45 min * (1 hr)/(60 min) = (45 )/(60 ) = = (3 )/4 hr = 0.75 hr
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