SOLUTION: a father is four times as old as his son. In 6 years time their combined ages will be 57. How old is the father.

Question 497638: a father is four times as old as his son. In 6 years time their combined ages will be 57. How old is the father.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = Father's age
Let = Son's age
given:
(1)
(2)
-------------------
(1)
By substitution,
(2)
Multiply both sides by
(2)
(2)
(2)
(2)
The Father is 36
----------------
check answer:
(1)
(1)
(1)
and
(2)
(2)
(2)
(2)
OK
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