Answer
Exact: $4\frac{2}{9}$
Estimate: $4$
Work Step by Step
Exact:
$7\frac{4}{9}-3\frac{2}{9}$
$=4\frac{2}{9}$
Estimate:
$7\frac{4}{9}-3\frac{2}{9}$
$\approx7-3$
$=4$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 4 - Section 4.7 - Operations on Mixed Numbers - Exercise Set - Page 298: 40
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