SOLUTION: 12 years old Umar is three times as old as his brother Ali.How old will Umar be when he is twice as old as Ali???

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Question 1142811: 12 years old Umar is three times as old as his brother Ali.How old will Umar be when he is twice as old as Ali???
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
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12 years old Umar is three times as old as his brother Ali.How old will Umar be when he is twice as old as Ali?
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U, 12
Ali, A
12=3A
A=4

So the starting information is system%28U=12%2CA=4%29. You should be able to continue toward the question on your own. Say, in x more years, Umar will be 12+x and Ali will be 4+x. Take it from here.