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Old 04-07-2011, 07:55 PM   #52
kjc
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Quote:
Originally Posted by 107barney View Post
48÷2(9+3)

I am solving the problem by first dealing w/ the parentheses
1) 9+3 = 12

Then I am treating multiplication and division as on equal footing but going from left to right to solve the equation

2) 48÷2 = 24

3) 12 x 24 = 288

Therefore 48÷2(9+3) = 288
You skipped a step, and added a step. You used the 2 twice, X 12 then 48/2... you can only use it once, and it's a multiplier of the number inside the ().
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