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

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

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Question 693892: Kim is 15. Kim's father is 39. In how many years will Kim's father be exactly twice as old as Kim will be?
Answer by Stitch(470) (Show Source): You can put this solution on YOUR website!
Start by writing the equation:
Simplify

Subtract 30 from both sides

Subtract X from both sides

9 years
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