SOLUTION: in 4 years i shall be 5times as old as i was 16 years ago how old am i?

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Question 607486: in 4 years i shall be 5times as old as i was 16 years ago how old am i?
Answer by w_parminder(53) About Me  (Show Source):
You can put this solution on YOUR website!
Let 'MY' present age = X years
'MY' age after 4 years = (X + 4)
'MY' age before 16 years = (X - 16)
According to the question,
(X + 4) = 5*(X - 16)
i.e.
X + 4 = 5X - 80
OR
5X - X = 4 + 80
4X = 84
X = 84/4
X = 21
So, 'MY' present age is 21 years...