SOLUTION: The sum of Mary's age and Mark's age is 41 years. Five years from now the sum of their ages will be three times Mary's present age. How old is Mary? This must be answer by the meth

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Question 657540: The sum of Mary's age and Mark's age is 41 years. Five years from now the sum of their ages will be three times Mary's present age. How old is Mary? This must be answer by the method of elimination
Answer by solver91311(24713) About Me  (Show Source):
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Let represent Mark's current age and let represent Mary's current age. Five years from now Mark will be and Mary will be .





First put the second equation into standard form:



Using a multiplier of 2 on the first equation, solve the 2X2 system by elimination.

John

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