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

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

User Johv
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1 Answer

7 votes
The answer is reasonable because
20-2.3 = 20 -(2+0.3) = 20-2 - 0.3 = 18 - 0.3 = 17.7
User Vejto
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