SOLUTION: If Sarah is 8, and you are three times her age, how old are you when you're double her age?

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Question 1097452: If Sarah is 8, and you are three times her age, how old are you when you're double her age?
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
She is 8, I am 24.
x is number or years until I am twice her age
(24+x)/(8+x)=2
multiply through by 8+x
24+x=16+2x
8=x
in 8 years, when I am 32 and she is 16.