SOLUTION: a man was 26 years old when his son was born. now he is three times older than his son . how old is his son now ? write a general function for this.
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Question 1011222: a man was 26 years old when his son was born. now he is three times older than his son . how old is his son now ? write a general function for this. Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! The man will always be 26 yrs older
than his son,
Let = age of father now
Let = age of son now
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(1) ( this equation is always true )
(2) ( this is true only at the present time )
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This is the general equation
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How old is son now?
From (1) and (2),
The son is 13 now
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check:
(2)
(2)
(2)
Father is 39 now
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(1)
(1)
(1)
OK
