Answer
Exact: $12\frac{3}{8}$
Estimate: 13
Work Step by Step
Estimate:
$2\frac{7}{8} \approx 3, 9\frac{1}{2} \approx 10$
$3 +10 = 13$
Exact:
$2\frac{7}{8} + 9\frac{1}{2}$
$= 2\frac{7}{8} + 9\frac{4}{8}$
$= 11\frac{11}{8}$
$= 12\frac{3}{8}$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 4 - Review - Page 322: 114
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