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 - Page 233: 82

Answer

Estimate=83 ft Exact=83$\frac{1}{24}$ ft

Work Step by Step

Estimate: 14$\frac{1}{2}$$\approx$15 19$\frac{3}{8}$$\approx$19 23$\frac{5}{12}$$\approx$23 25$\frac{3}{4}$$\approx$26 15+19+23+26=83 Exact: 14$\frac{1}{2}$+19$\frac{3}{8}$+23$\frac{5}{12}$+25$\frac{3}{4}$ 14$\frac{12}{24}$+19$\frac{9}{24}$+23$\frac{10}{24}$+$\frac{18}{24}$ 81$\frac{49}{24}$ 83$\frac{1}{24}$
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