document.write( "Question 635227: Mary's mother is 3 times as old as Mary, 4 years ago Mary was 1/4 her mothers age. How old is Mary now?
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Algebra.Com's Answer #400174 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi,
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document.write( "Mary's mother is 3 times as old as Mary's age
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document.write( " y = 3x is mary's mother's age
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document.write( "Question states*** 4 yrs ago...
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document.write( "  x-4 = (1/4)(y-4)
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document.write( "  x - 4 = (1/4)(3x-4)
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document.write( "    (1/4)x = 3
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document.write( "         x = 12, Mary's age.  Mother is 36.
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document.write( "and... 4 yrs ago
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