SOLUTION: mike is three times as old as his little sister mary. in four years hell be twice as old as mary. how old is mary
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Question 887169: mike is three times as old as his little sister mary. in four years hell be twice as old as mary. how old is mary
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
4 yrs is the difference between 3x and 2x
--> 12 & 4
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