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just olya [345]
3 years ago
9

Alive for the equation y-7=8

Mathematics
1 answer:
Sever21 [200]3 years ago
3 0

so what I do is caunt or just add 7 +8 it will equal 15

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Alan used 9 as an estimate for 3 7/10 + 5 4/10. He added and got 9 1/10 for the actual sum. Is his answer reasonable?
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Step-by-step explanation:

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Then , when you get 8 11/10 you do add mixed number.

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Can someone help me with the middle question?
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