SOLUTION: My sister is 10 years older than i am. the sum of are ages is 28. find are ages

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Question 361557: My sister is 10 years older than i am. the sum of are ages is 28. find are ages
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
x+x+10=28
2x=18
x=9 yrs
x+10=19 yrs