### 9 Answers

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- DavidLv 78 months ago
If you mean 2.5*(8.6/2 -1.8) then it is 25/4 or 6.25

Remember BIDMAS

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- sepiaLv 78 months ago
2.5(8.6 ÷ 2 - 1.8)

= 2.5(4.3 - 1.8)

= 10.75 - 4.5

= 6.25

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- KrishnamurthyLv 78 months ago
2.5(8.6 ÷ 2 - 1.8)

= 2.5(4.3 - 1.8)

= 2.5*2.5

= 6.25

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- Beave VillageLv 68 months ago
Try asking Siri on your phone, you'll be surprised!

First, outside, inside, last. FOIL technique.

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- Anonymous8 months ago
Do

8.6÷2

first.

then subtract 1.8

then multiply by 2.5

< Math isn’t that important >

Says the man whose career will consist of asking 'would you like fries with that?'

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- Robert SLv 78 months ago
X=2...................

- Borgan the bald8 months agoReport
U are probably in the middel of a math test and asking math questions on Yahoo answers.

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- Anonymous8 months ago
It would be 6 25. Math isn’t that important

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- Anonymous8 months ago
by using the order of operations

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