SOLUTION: Aaron is 12 years old. He is 3 times as old as his brother. How old will Aaron be when he is twice as old?

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Question 829490: Aaron is 12 years old. He is 3 times as old as his brother. How old will Aaron be when he is twice as old?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
Twice as old as whom? himself? then he will be 24.
his brother?
his brother is 4
12=3*x
4=x
2+y=2*(4+y)
12+y=8+2y
4=y
Aaron will be twice as old as his brother in four years
Aaron will be 16 and his brother will be 8