SOLUTION: A man is thrice as old as his son, if the sum of their ages is 40 years find their ages

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Question 1167885: A man is thrice as old as his son, if the sum of their ages is 40 years find their ages

Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
Sum of their ages, T


system%28m=3c%2Cm%2Bc=T%29

3c%2Bc=T
4c=T
highlight%28c=T%2F4%29

highlight%28m=3T%2F4%29

Answer by ikleyn(52794) About Me  (Show Source):
You can put this solution on YOUR website!
.

    x + 3x = 40

    4x     = 40

     x     = 10,  3x = 30.


ANSWER.  The son is 10 years old.  The man is 3*10 = 40 years old.

Solved.