SOLUTION: andrea is three times as old as she was four years ago.how old is she now?
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Question 94104: andrea is three times as old as she was four years ago.how old is she now?
Answer by checkley75(3666) (Show Source): You can put this solution on YOUR website!
a+4=3a
3a-a+4
2a=4
a=4/2
a=2 years old
3*2=6 years old today.
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