document.write( "Question 1174130: Mary is thrice as old as her sister Karen. The sum of their ages is 52 years.
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Algebra.Com's Answer #799523 by ikleyn(52800) $\"\"$ $\"About$

You can put this solution on YOUR website!
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document.write( "    3x + x = 52.\r\n" );
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document.write( "You do the rest.\r\n" );
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