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Age_Word_Problems/108497: six years ago bob was four times as old as mary. in four years he will be twice as old as mary. how old are they now? use a system of equations.
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Answer 79133 by bnyken(1) on 2007-11-07 07:38:46 (Show Source):

You can put this solution on YOUR website!
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Recent problems solved by 'bnyken'