SOLUTION: Mary is twice as old as Ann was when Mary was as old as Ann is now. Ann now is 57 years old. How old is Mary now?

Question 936673: Mary is twice as old as Ann was when Mary was as old as Ann is now. Ann now is 57 years old. How old is Mary now?
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
x = mary age now
y = ann age now
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x = 2( y - (x - y) )
y = 57
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x = 2(y - x + y)
x = 4y - 2x
3x = 4y
x = (4/3)y
x = (4/3)*57
x = 76
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answer:
Mary is 76
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