Question 918123: a father is three times as old as his son. five years ago father's age was four times his sons age then. find their present ages. Answer by ewatrrr(24785) (Show Source):
You can put this solution on YOUR website! x son's age ( age compared to...)
3x-5 = 4(x-5)
3x - 5 = 4x -20
15 = x, son's age. Father is 45
An..checking ... 5 years ago
40 = 4(10)