document.write( "Question 1197921: A merchant is selling a new line of watches. He prices the watches at $120 and runs a 10% off sale. During the sale, he made a profit of 20% on the watches. How much did the merchant pay for each watch?
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Algebra.Com's Answer #831376 by ikleyn(52909) $\"\"$ $\"About$

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document.write( "The selling price, after the 10% discount, is  120 - 0.1*120 = 108 dollars.\r\n" );
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document.write( "It still provides the profit of 20%.\r\n" );
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document.write( "Hence, for the buying price P we have this equation\r\n" );
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document.write( "    1.2P = 108,\r\n" );
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document.write( "which gives\r\n" );
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document.write( "    P = 108/1.2 = 90 dollars.\r\n" );
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document.write( "ANSWER.  The price which the merchant pays for each watch is $90.\r\n" );
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