Basic College Mathematics (9th Edition)

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

Chapter 3 - Adding and Subtracting Fractions - 3.4 Adding and Subtracting Mixed Numbers - 3.4 Exercises: 69

Answer

Estimate: 2 inches Exact: $2\frac{1}{2}$ inches

Work Step by Step

From the table, we see that the maximum jaw capacity is $3\frac{3}{8}$, and the minimum is $7/8$. We subtract and find the difference. Estimate: $3-1=2$ inches Exact: $\displaystyle 3\frac{3}{8}-\frac{7}{8}=2\frac{11}{8}-\frac{7}{8}=2\frac{4}{8}=2\frac{1}{2}$ inches
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