<PRE><B>Question 910773</B>
y years ago a man was y years old. 
So, the man is 2y years old now
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his son is y years younger than his father.
So, the son is y years old now.
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a) How old is the son at present?
Ans: y yrs old
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 b) how old was the son 3 years ago?
Ans: y-3 yrs old
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 c) if at that time the son was 22years old, find the value of y.
y-3 = 22
y = 25
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Cheers,
Stan H.
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