SOLUTION: the sum of one-half a number,one ninth of the number and one-twelfth of the number is twenty five. what is the number?
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Question 732210: the sum of one-half a number,one ninth of the number and one-twelfth of the number is twenty five. what is the number?
Answer by checkley79(3341) (Show Source): You can put this solution on YOUR website!
X/2+X/9+X/12=25
(18+4+3)X/36=25 CROSS MULTIPLY.
25X=36*25 DIVIDE BY 25.
X=36 ANS.
PROOF:
36/2+36/9+36/12=25
18+4+3=25
25=25
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