document.write( "Question 380958: A retailer purchased 70 reams of typewriter paper for $9,730. At the end of the week, he found that there are still 13 reams left, the cost of which was $1,807. Find the cost of goods sold. \n" ); document.write( "
Algebra.Com's Answer #270336 by Theo(13342)\"\" \"About 
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he bought 70 for 9730 at a cost of 9730/70 = 139 apiece.\r
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\n" ); document.write( "\n" ); document.write( "he had 13 left at a cost of 1807.\r
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\n" ); document.write( "\n" ); document.write( "cost of goods sold is 9730 - 1807 = 7923\r
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\n" ); document.write( "\n" ); document.write( "number of goods sold is 70 - 13 = 57\r
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\n" ); document.write( "\n" ); document.write( "57 * 139 = 7923\r
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\n" ); document.write( "\n" ); document.write( "number confirm each other.\r
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\n" ); document.write( "\n" ); document.write( "7923 is your answer.\r
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