SOLUTION: John is twice as old as mark.Three years from now the sum of their ages will be 42. How old is john

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Question 1060462: John is twice as old as mark.Three years from now the sum of their ages will be 42. How old is john

Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
John is twice as old as mark.Three years from now the sum of their ages will be 42. How old is john
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--> John is twice as old as mark. The sum of their ages is 36. How old is john?

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