document.write( "Question 159817This question is from textbook
\n" ); document.write( ": Could I please ask for you help?\r
\n" ); document.write( "\n" ); document.write( "Lamps which cost $120 wholesale are sold for $192, at a profit of $6 per lamp. How many lamps were in the shipment?
\n" ); document.write( " 9
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\n" ); document.write( " 11
\n" ); document.write( " 12
\n" ); document.write( " 13
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Algebra.Com's Answer #117852 by KnightOwlTutor(293)\"\" \"About 
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We need to know the total profit of the shipment
\n" ); document.write( "This is retail cost-wholesale cost
\n" ); document.write( "192-120=72\r
\n" ); document.write( "\n" ); document.write( "In order to find out the number of lamps in the shipment
\n" ); document.write( "n$6.00=$72.00\r
\n" ); document.write( "\n" ); document.write( "Divide both sides by 6\r
\n" ); document.write( "\n" ); document.write( "n=12 there were 12 lamps in the shipment\r
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