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: 18

Answer

10 tons

Work Step by Step

20,000 lb = 10 tons Use a unit fraction with tons (the unit for your answer) in the numerator, and pounds (the unit being changed) in the denominator. Because 2000 lb = 1 ton, the necessary unit fraction is (1 ton)/(2000 lb) Multiply 20,000 lb times the unit fraction. 20,000 * (1 ton)/(2000 lb) = 10 tons.
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