SOLUTION: three years ago zery was three times as old as rick three years hence she will be twice as old.find their present age

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Question 900251: three years ago zery was three times as old as rick three years hence she will be twice as old.find their present age
Answer by lwsshak3(11628) About Me  (Show Source):
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three years ago zery was three times as old as rick three years hence she will be twice as old.find their present age
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3 yrs ago:
x=rick's age
3x=zery's age
..
at present:
x+3=rick's age
3x+3=zery's age
..
3 yrs hence
x+6=rick's age
3x+6=zery's age
3x+6=2(x+6)
3x+6=2x+12
x=6
present ages:
x+3=9
3x+3=21
rick's present age=9
zery's present age=21