#### Answer

Exact: $2\frac{51}{55}$
Estimate: $3$

#### Work Step by Step

Exact:
$8\frac{1}{5}-5\frac{3}{11}$
$=8\frac{11}{55}-5\frac{15}{55}$
$=7\frac{66}{55}-5\frac{15}{55}$
$=2\frac{51}{55}$
Estimate:
$8\frac{1}{5}-5\frac{3}{11}$
$\approx8-5$
$=3$

Published by
Pearson

ISBN 10:
0321955048

ISBN 13:
978-0-32195-504-3

Exact: $2\frac{51}{55}$
Estimate: $3$

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