document.write( "Question 280174: Fax paper cost $17 per case and copier paper $11 per case.If an order is received for a total of 250 cases for $3,650, what is the exact number of cases of copier paper? \n" ); document.write( "
Algebra.Com's Answer #203621 by JBarnum(2146)\"\" \"About 
You can put this solution on YOUR website!
F=Fax paper cases
\n" ); document.write( "C=Copier paper cases
\n" ); document.write( "so \"F%2BC=250\"
\n" ); document.write( "so if 1F=$17 and 1C=$11
\n" ); document.write( "then $17 times F =cost of total fax paper cases and $11 times C = cost of total copier paper cases, so:
\n" ); document.write( "\"17F%2B11C=3650\"
\n" ); document.write( "\"F=250-C\" substitute for \"F\" and solve for \"C\"
\n" ); document.write( "\"17%28250-C%29%2B11C=3650\"
\n" ); document.write( "\"4250-17C%2B11C=3650\"
\n" ); document.write( "\"4250-6C=3650\"
\n" ); document.write( "\"-6C=-600\"
\n" ); document.write( "\"highlight%28C=100%29\"
\n" ); document.write( "\"F=250-C\"
\n" ); document.write( "\"F=250-100\"
\n" ); document.write( "\"F=150\"\r
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );