document.write( "Question 250184: a mark up rate of 20% is used on a sweater with a selling price of 2=$24. find the cost of the sweater \n" ); document.write( "
Algebra.Com's Answer #182236 by checkley77(12844)\"\" \"About 
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2x=24
\n" ); document.write( "x=24/2=$12 price of one sweater.
\n" ); document.write( "z+.20z=12
\n" ); document.write( "1.2z=12
\n" ); document.write( "z=12/1.2
\n" ); document.write( "z=$10 is the original price before the 20% mark up.
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