SOLUTION: In 17 years a father will be twice as old as his son, whose age at the present time is 1/3 of his father’s age. How old is the father now?
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Question 723645: In 17 years a father will be twice as old as his son, whose age at the present time is 1/3 of his father’s age. How old is the father now?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = Father's age now
Let = Son's age now
given:
(1)
(2)
-------------------------
(1)
(2)
(2)
By substitution,
(2)
(2)
and, since
(1)
(1)
(1)
The Father is 51 now
check:
(2)
(2)
(2)
(2)
OK
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