SOLUTION: A boy's age is X years and his father is four times as old. Find the Father's age in Y years time?

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Question 802943: A boy's age is X years and his father is four times as old. Find the Father's age in Y years time?
Answer by thejackal(72) About Me  (Show Source):
You can put this solution on YOUR website!
The answer to this question is a function
the fathers age is a function of X
such that f(x) = 4x
so if the present age of the boy is X then in in Y years time the boys new age x will be x + y

thus the fathers age will be expressed as 4(x+y)