SOLUTION: a man is thrice as old as his son . Three years ago the man was four times as old as his son. Find their present ages.

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Question 461546: a man is thrice as old as his son . Three years ago the man was four times as old as his son. Find their present ages.
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
m=3n
m-3=4(n-3)
3n-3=4n-12
n=9
m=27
The man is 27. His son is 9..