kelly subtracted 2.3 from 20 and got 17.7, explain why this answer is reasonable. need by 5:30 today 9\15\15

1 answer:

Orlov [11]3 years ago

8 0

The answer is reasonable because $20-2.3 = 20 -(2+0.3) = 20-2 - 0.3 = 18 - 0.3 = 17.7$

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