SOLUTION: I am 21 years older than you, in 12 years time i will be twice your age. how old are you now ?

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Question 476664: I am 21 years older than you, in 12 years time i will be twice your age. how old are you now ?
Answer by jorel1380(3719)   (Show Source): You can put this solution on YOUR website!
i=y+21
i+12=2(y+12)
y+21+12=2y+24
y+33=2y+24
y=9
I am 9. You are 30..

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