SOLUTION: A man's age is four times that me his son. Seven years ago his age was eleven times that of his son. How old are they now?

Question 665558: A man's age is four times that me his son. Seven years ago his age was eleven times that of his son. How old are they 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
= Father's age 7 yrs ago
= Son's age 7 yrs ago
---------------------------
given:
(1)
(2)
-----------------------
(2)
(2)
Substitute (1) into (2)
(2)
(2)
(2)
and, since
(1)
(1)
(1)
The father is 40 and the Son is 10
check answer:
(2)
(2)
(2)
(2)
OK

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