SOLUTION: The sum of Ellen and Marie’s ages is 13. The difference is 9. Given that Ellen is older than Marie, write a system of equations and solve to determine the age of each girl.
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Question 1103001: The sum of Ellen and Marie’s ages is 13. The difference is 9. Given that Ellen is older than Marie, write a system of equations and solve to determine the age of each girl.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Add the equations together,
Solve for E then use either equation to solve for M.
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