SOLUTION: sum of the ages of son and his father is 50 years.after 5 years father will be twice as old as his son.find their present ages.
sir,i made an equation for this question: x+5=2x
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Question 1024681: sum of the ages of son and his father is 50 years.after 5 years father will be twice as old as his son.find their present ages.
sir,i made an equation for this question: x+5=2x
i don't know whether it is right or not.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = son's age now
Let = father's age now
-------------------------
(1)
(2)
-----------------------
It's possible to solve this using just one
variable such as , but I think it's
more clear to do it this way.
------------------------
(1)
Substitute (1) into (2)
(2)
(2)
(2)
(2)
and
(1)
(1)
(1)
-----------------
The father is 35 and
the son is 15
-----------------
check:
(2)
(2)
(2)
(2)
OK
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