SOLUTION: the present age of father and son is 70 after 10 years the fathers age will be double of sons age how much is the present age of son
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Question 934481: the present age of father and son is 70 after 10 years the fathers age will be double of sons age how much is the present age of son
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Do you mean the sum of their ages is now ?
If so,
(1)
You are told that years from now:
(2)
----------------------------
(1)
Substituting:
(2)
(2)
(2)
(2)
The son is presently 20
check:
(1)
(1)
and
(2)
(2)
(2)
(2)
OK
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