document.write( "Question 339003: A discount store sold plastic cups for $3.25 each and ceramic cups for $4.50 each.
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document.write( "a. If 500 cups were sold for a total of $2,090, how many cups of each type were sold?
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document.write( "What was the dollar value of each type of cup sold? \n" );
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Algebra.Com's Answer #242998 by mananth(16946)![]() ![]() You can put this solution on YOUR website! plastic cups for $3.25 each : let the numberof cups be x \n" ); document.write( "and ceramic cups for $4.50 each : this will be 500-x cups \n" ); document.write( "500 cups were sold for a total of $2,090, \n" ); document.write( ".. \n" ); document.write( "3.25x+4.5(500-x)=2090 \n" ); document.write( "3.25x+2250-4.5x= 2090 \n" ); document.write( "-1.25x=2090-2250 \n" ); document.write( "-1.25x=-160 \n" ); document.write( "divide by -1.25 \n" ); document.write( "x=-160/-1.25 \n" ); document.write( "x= 128 plastic cups. \n" ); document.write( "remaining will be ceramic cups \n" ); document.write( "500-128=372 \n" ); document.write( " |