SOLUTION: Jercutie's father is three times as old as jercutie. five years ago, he was four times as old as jercutie. how old is jercutie now?

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Question 1081868: Jercutie's father is three times as old as jercutie. five years ago, he was four times as old as jercutie. how old is jercutie now?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
F=3J
Five years ago,
F-5=4%28J-5%29
F-5=4J-20
F=4J-15
Substituting from above,
3J=4J-15
-J=-15
Solve for J then use either equation to solve for F.