SOLUTION: Mary is n years old. How old will she be in 4 years? How old was she 8 years ago?

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Question 948080: Mary is n years old. How old will she be in 4 years? How old was she 8 years ago?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
How old will she be in 4 years?
She will be n+4 years old

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How old was she 8 years ago?
She was n-8 years old. This is assuming n > 8.