SOLUTION: A father is 7 times as old as his daughter. In 5 years' time he will be 4 times as old as his daughter will be then. How old is each one now?

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Question 272207: A father is 7 times as old as his daughter. In 5 years' time he will be 4 times as old as his daughter will be then. How old is each one now?
Answer by JBarnum(2146) About Me  (Show Source):
You can put this solution on YOUR website!
F=7D
F+5=4(D+5)
7D+5=4D+20
3D=15
D=5
F=35