Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapter 3 - Adding and Subtracting Fractions - 3.4 Adding and Subtracting Mixed Numbers - 3.4 Exercises - Page 232: 77


Estimate=12 gal Exact=12$\frac{5}{8}$ gal

Work Step by Step

Estimate: 10$\frac{1}{4}$$\approx$10 13$\frac{1}{2}$$\approx$14 8$\frac{7}{8}$$\approx$9 18$\frac{3}{4}$$\approx$19 12$\frac{3}{8}$$\approx$12 9$\frac{1}{2}$$\approx$10 14$\frac{1}{8}$$\approx$14 100-10-14-9-19-12-10-14=12 Exact: 100-10$\frac{1}{4}$-13$\frac{1}{2}$-8$\frac{7}{8}$-18$\frac{3}{4}$-12$\frac{3}{8}$-9$\frac{1}{2}$-14$\frac{1}{8}$ 100-10$\frac{2}{8}$-13$\frac{4}{8}$-8$\frac{7}{8}$-18$\frac{6}{8}$-12$\frac{3}{8}$-9$\frac{4}{8}$-14$\frac{1}{8}$ 16-$\frac{27}{8}$ 15$\frac{8}{8}$-3$\frac{3}{8}$ 12$\frac{5}{8}$
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