Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10:
ISBN 13:

Chapter 2 - Multiplying and Dividing Fractions - 2.8 Multiplying and Dividing Mixed Numbers - 2.8 Exercises - Page 177: 35

Answer

(a) Estimate 1 tsp Exact $\frac{1}{4}$ tsp (b) Estimate 1 cup Exact $\frac{3}{8}$ cup (c) Estimate 2 cups Exact$\frac{7}{8}$ cup

Work Step by Step

(a) $\frac{1}{2} \times \frac{1}{2}$ tsp Estimate Round fractions to the nearest whole number $1 \times 1 = 1$ tsp Exact Multiply $\frac{1}{2} \times \frac{1}{2}$ = $\frac{1}{4}$ tsp (b) $\frac{3}{4} \times \frac{1}{2}$ cup Estimate Round fractions to the nearest whole number $1 \times 1 = 1$ cup Exact Multiply $\frac{3}{4} \times \frac{1}{2}$ = $\frac{3}{8}$ cup (c) $1 \frac{3}{4} \times \frac{1}{2}$ cup Estimate Round fractions to the nearest whole number $2 \times 1 = 2$ cups Exact Convert mixed numbers to improper fractions and multiply $\frac{7}{4} \times \frac{1}{2}$ = $\frac{7}{8}$ cup
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