SOLUTION: A man is 38 years old and his daughter is 14 years old. How many years will it be before the man’s age is just twice that of his daughter?

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Question 1117260: A man is 38 years old and his daughter is 14 years old. How many years will it be before the man’s age is just twice that of his daughter?
Found 2 solutions by josgarithmetic, greenestamps:
Answer by josgarithmetic(39617) About Me  (Show Source):
Answer by greenestamps(13200) About Me  (Show Source):
You can put this solution on YOUR website!


Using algebra on this problem is "overkill".

If you need to use algebra, then the solution from the other tutor is fine. But the problem is far more easily solved informally, using common sense.

(1) The man is 38 and his daughter is 14; the difference in their ages is 24 years.
(2) He will be twice as old as his daughter when she is 24 and he is 48.
(3) Since he is now 38, that will be in (48-38)=10 years from now.