SOLUTION: the fathers age is 5 times than son and after 5 years the fathers age is 4 times bigger than son then what will be the age of father and son.

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Question 919091: the fathers age is 5 times than son and after 5 years the fathers age is 4 times bigger than son then what will be the age of father and son.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
x the son's age now ...referred to
5x + 5 = 4(x+5)
5x + 5 = 4x + 20
x = 15, the son's age now. Father is 75
five years from now...
20 and 80
And...
80 = 4(20)