amNeelabetheg
Answered

Lia wants to estimate 4 1/7 x 3 3/5 To estimate, she simplifies the expression 4 x 3 1/2 .


Is Lia’s estimate a close estimate, an underestimate, or an overestimate?


A.underestimate


B.overestimate


C.close estimate

Verified Answer :

meerkat18

Given:
4 1/7 3 3/5

4 1/7 = (47)+1/7 = 29/7
3 3/5 = (35)+3/5 = 18/5

29/7 18/5 = 29 18 / 7 5 = 522 / 35 = 14.91

Simplified expression.
4 x 3 1/2

3 1/2 = (32)+1/2 = 7/2

4 7/2 = 4*7 / 2 = 28 / 2 = 14

It is a close estimate.   Actual: 14.91 vs Estimate: 14

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