SOLUTION: Jorges father is 4 times as old as Jorge is. In 20 years his father will only be twice as old as Jorge. How old are Jorge and his father now?

Question 406304: Jorges father is 4 times as old as Jorge is. In 20 years his father will only be twice as old as Jorge. How old are Jorge and his father now?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Jorges father is 4 times as old as Jorge is. In 20 years his father will only be twice as old as Jorge. How old are Jorge and his father now?
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Equations:
f = 4J
(f+20) = 2(J+20)
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Substitute for "f" and solve for "J":
(4J+2) = 2J+40
2J = 38
J = 19 yrs (Jorge's age now)
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Solve for "f":
f = 4J = 4*19 = 76 yrs (father's age now)
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Cheers,
Stan H.
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