Basic College Mathematics (9th Edition)

by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.

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 - Page 230: 65

Answer

Estimate: 11 Exact: 11$\frac{1}{4}$

Work Step by Step

Estimate by subtracting the whole number parts of the mixed numbers. Estimate:25-14=11 Exact:(25-14)+($\frac{3}{4}$-$\frac{1}{2}$) 11+($\frac{3}{4}$-$\frac{2}{4}$) 11+$\frac{1}{4}$=11$\frac{1}{4}$

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