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What is the answer to 90-9÷3 I subtracted 90-9=81 then I divided 81÷3 and my answer is 27. Is that correct?
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3 votes
What is the answer to 90-9÷3 I subtracted 90-9=81 then I divided 81÷3 and my answer is 27. Is that correct?

User Bluefire
by
5.8k points

2 Answers

3 votes
If you look at the order of operations, the divide comes before subtracting.
So you first divide 9 by 3, then subtract that from 90:

90 - 9 / 3
= 90 - 3
= 87
User John P Bloch
by
6.4k points
3 votes
Always do division first so 9 divided by 3 = 3 90 - 3 = 87
User Jande
by
5.3k points
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