Basic College Mathematics (9th Edition)

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

Chapter 7 - Measurement - Review Exercises: 54

Answer

1288 km

Work Step by Step

800 mi to km We’re changing from a U.S length unit to a metric length unit. In the “U.S. to Metric Units” side of the table, you see that 1 mile = 1.61 kilometers. Two unit fractions can be written using that information.(1 mile)/(1.61 kilometers) Or (1.61 km)/(1 mile). Multiply by the unit fraction that allows you to divide out mile (that is, miles is in the denominator). 800 miles *(1.61 km)/(1 mile). = 1288 km
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