Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 4 - Review - Page 322: 115

Answer

Estimate: 2 Exact: $2\frac{19}{35}$

Work Step by Step

Estimate: $12\frac{1}{7} \approx 12, 9\frac{3}{5} \approx 10$ $12-10=2$ Exact: $12\frac{1}{7} - 9\frac{3}{5}$ $=12\frac{5}{35} - 9\frac{21}{35}$ $=11\frac{40}{35} - 9\frac{21}{35}$ $=2\frac{19}{35}$
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