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 178: 39

Answer

Estimate 900 inches of steel tubing Exact $877 \frac{1}{2}$ inches of steel tubing

Work Step by Step

$45 \times 19 \frac{1}{2}$ inches of steel tubing Estimate Round fractions to the nearest whole number. $45 \times 20$ = 900 inches of steel tubing Exact Convert mixed numbers to improper fractions and multiply. $\frac{45}{1} \times \frac{39}{2}$ = $\frac{1755}{2}$ Reduce. $877 \frac{1}{2}$ inches of steel tubing
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