SOLUTION: Mary is 10 yrs older than Peter. Peter is x yrs old. How old is Mary?

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Question 564844: Mary is 10 yrs older than Peter. Peter is x yrs old. How old is Mary?
Answer by ad_alta(240) About Me  (Show Source):
You can put this solution on YOUR website!
We must write this as an expression, since we don't know how old Peter is for sure. Since Mary is 10 years older than Peter, her age is x+10.