document.write( "Question 1121859: An office supply store recently sold a black printer ink cartridge for ​$18.99 and a color printer ink cartridge for ​$21.99. At the start of a recent fall​ semester, a total of 44 of these cartridges was sold for a total of ​$868.56. How many of each type were​ purchased? \n" ); document.write( "
Algebra.Com's Answer #737859 by Boreal(15235)\"\" \"About 
You can put this solution on YOUR website!
A+B=44, A=black and B=color
\n" ); document.write( "18.99A+21.99B=868.56
\n" ); document.write( "-18.99A-18.99B=-835.56
\n" ); document.write( "3B=33
\n" ); document.write( "B=11 color cartridges for $241.89
\n" ); document.write( "A=33 black cartridges for $626.67
\n" ); document.write( "They add to $868.56
\n" ); document.write( "
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