SOLUTION: Two years ago john was 7 times as old as his son but in 3 years he wil be 4 times as old as the boy. How old is john?

Question 1035214: Two years ago john was 7 times as old as his son but in 3 years he wil be 4 times as old as the boy. How old is john?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = John's age now
Let = son's age now
-------------------------
(1)
(2)
-----------------------
(1)
(2)
-----------------------
(1)
(2)
---------------------
Subtract (1) from (2)
(2)
(1)
-------------------

and
(1)
(1)
(1)
(1)
(1)
John is 37
-------------
check:
(1)
(1)
(1)
(1)
OK
(2)
(2)
(2)
(2)
OK
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