document.write( "Question 420983: here is my word problem:
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document.write( "Harris Teeter sold 45 tubes of toothpaste, Colgate at $8.50 each and Crest at $9.75 each. In all, $398.75 was taken in for toothpaste. How many of each kind were sold? \n" );
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Algebra.Com's Answer #294033 by angelmidnight(6)![]() ![]() You can put this solution on YOUR website! x+y=45\r \n" ); document.write( "\n" ); document.write( "8.50x+9.75y=398.75\r \n" ); document.write( "\n" ); document.write( "-8.50x+8.50y=-382.5 \n" ); document.write( "8.50x+9.75y=398.75 \n" ); document.write( "1.25y=16.25 \n" ); document.write( "--- --- \n" ); document.write( "1.25 1.25\r \n" ); document.write( "\n" ); document.write( "y=13\r \n" ); document.write( "\n" ); document.write( "x+13=45 \n" ); document.write( "x=32\r \n" ); document.write( "\n" ); document.write( "32 Colgate and 13 Crest\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |