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Artist 52 [7]
3 years ago
12

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?
Mathematics
1 answer:
aleksandrvk [35]3 years ago
4 0
She added to the answer of 40x4, when she added to 37. She should have subtracted.
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