SOLUTION: Mary is n years old. How old will she be in 11 years? How old was she 7 years ago ?

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Question 869469: Mary is n years old. How old will she be in 11 years? How old was she 7 years ago ?
Answer by lenny460(1073) About Me  (Show Source):
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Mary is n years old. How old will she be in 11 years? How old was she 7 years ago ?

Answer:
n + 11 years and
n - 7 years.