SOLUTION: a father is 4 times as old as his son.In 4 years' time,their total age will be 48years. How old are they now?

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Question 1200441: a father is 4 times as old as his son.In 4 years' time,their total age will be 48years. How old are they now?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
n, the son's age
4n, father's age

In four more years:
%28n%2B4%29%2B%284n%2B4%29=48

n%2B4n%2B4%2B4=40%2B4%2B4
5n=40
highlight%28n=8%29--------son
4%2A8=highlight%2832%29-----father