Basic College Mathematics (9th Edition)

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

Chapter 7 - Measurement - Review Exercises: 53


67 mile (rounded)

Work Step by Step

We’re changing from a metric length unit to a U.S. length unit. In the “Metric to U.S. Units” side of the table, you see that 1 kilometer = 0.62 mile. Two unit fractions can be written using that information.(1 km)/(0.62 mile) Or(0.62 mile)/(1 km). Multiply by the unit fraction that allows you to divide out kilometers (that is, kilometers is in the denominator). 108 km * (0.62 mile)/(1 km) = 66.96 mile = 67 mile(rounded)
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