SOLUTION: 5 YEARS AGO A MAN 7 TIMES AS OLD AS HIS SON.AFTER 5 YEARS HE WILL BE THRICE AS OLD AS HIS SON.FIND THEIR PRESENT AGE

Question 876577: 5 YEARS AGO A MAN 7 TIMES AS OLD AS HIS SON.AFTER 5 YEARS HE WILL BE THRICE AS OLD AS HIS SON.FIND THEIR PRESENT AGE

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 5 yrs ago
= son's age 5 yrs ago
-----------------------------
= father's age in 5 yrs
= son's age in 5 yrs
----------------------------
(1)
(2)
-----------------------
(1)
(1)
-------------------
(2)
(2)
-------------------
Subtract (2) from (1)
(1)
(2)

and
(1)
(1)
(1)
(1)
--------------
The father is 40 and the son is 10
This checks out if you read back
through the problem

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