SOLUTION: The sum of 1/2 of a number,1/9 of the number, and 1/12 of the number is 25. find the original number?

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Question 322092: The sum of 1/2 of a number,1/9 of the number, and 1/12 of the number is 25. find the original number?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Let the number be X.
%281%2F2%29X%2B%281%2F9%29X%2B%281%2F12%29X=25
Multiply by a common denominator (9%2A12%2A25=2700)
1350X%2B300X%2B225X=67500
1875X=67500
highlight%28X=36%29
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.
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Verify the solution,
%281%2F2%2936%2B%281%2F9%2936%2B%281%2F12%2936=25
18%2B4%2B3=25
25=25
True, good solution.