SOLUTION: Kim is 15 and her father is 39. In how many years will Kim's father be exactly twice as old as Kim?

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Question 646083: Kim is 15 and her father is 39. In how many years will Kim's father be exactly twice as old as Kim?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Kim is 15 and her father is 39. In how many years will Kim's father be exactly twice as old as Kim?
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Let that number of years be "x":
Equation:
39+x = 2(15+x)
39+x = 30 + 2x
x = 9 years
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Cheers,
Stan H.