SOLUTION: Sara and Melissa are best friends . Sara is 3 years older than Melissa . Their combined age is 15. How old is Sara ?

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Question 1163941: Sara and Melissa are best friends . Sara is 3 years older than Melissa . Their combined age is 15. How old is Sara ?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Melissa is 3 years younger than Sara.

x-3%2Bx=15
.
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