Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10:
ISBN 13:

Chapter 3 - Adding and Subtracting Fractions - 3.4 Adding and Subtracting Mixed Numbers - 3.4 Exercises - Page 233: 79

Answer

Estimate=129 ft Exact=129$\frac{11}{12}$ ft

Work Step by Step

Estimate: 527$\frac{1}{24}$$\approx$527 107$\frac{2}{3}$$\approx$108 150$\frac{3}{4}$$\approx$151 138$\frac{5}{8}$$\approx$139 527-108-151-139=129 Exact: 527$\frac{1}{24}$-107$\frac{2}{3}$-150$\frac{3}{4}$-138$\frac{5}{8}$ 527$\frac{1}{24}$-107$\frac{16}{24}$-150$\frac{18}{24}$-$\frac{15}{24}$ 132-$\frac{50}{24}$ 131$\frac{24}{24}$-2$\frac{2}{24}$ 129$\frac{22}{24}$ 129$\frac{11}{12}$
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