SOLUTION: Jean is 5 years older than her sister Allison. The sum of their ages is 13.how old is each girl

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Question 1109386: Jean is 5 years older than her sister Allison. The sum of their ages is 13.how old is each girl
Answer by Alan3354(69443) About Me  (Show Source):
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Jean is 5 years older than her sister Allison. The sum of their ages is 13.how old is each girl
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J - A = 5
J + A = 13
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