SOLUTION: A man's present age is 8 times his son's age. After 2 years his age will be 6 times his son's age. What are their present age?
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Question 770110: A man's present age is 8 times his son's age. After 2 years his age will be 6 times his son's age. What are their present age?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = man's age
Let = son's age
= man's age in 2 years
= son's age in 2 years
given:
(1)
(2)
------------------------
(2)
(2)
Substitute (1) into (2)
(2)
(2)
(2)
and, since
(1)
(1)
(1)
The man is 40 and
his son is 5
------------
check:
(2)
(2)
(2)
(2)
OK
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