SOLUTION: Sam is 5 years older than his sister Mary. Together their ages add to be 31. How old are each of them?

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Question 1082636: Sam is 5 years older than his sister Mary. Together their ages add to be 31. How old are each of them?
Answer by Alan3354(69443) About Me  (Show Source):
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Sam is 5 years older than his sister Mary. Together their ages add to be 31. How old are each of them?
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S - M = 5
S + M = 31
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