asked 191k views
5 votes
If used compensation to find product of 37x4 first she found 40x4=160 then adjusted that product by adding 3 groups of 4 to get her final answer 172. What did she do incorrectly?

1 Answer

4 votes
She added to the answer of 40x4, when she added to 37. She should have subtracted.
answered
User Arun Kumaresh
by
7.8k points
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