document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=40935>Question 40935</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A company makes 3 types of cable. Cable A requires 3 black,3 white, and 2 red wires. Cable B requires 1 black, 2 white, and 1 red wire. Cable C requires 2 black,1 white, and 2 red. They used 100 black, 110 white, and 80 red. how many were made of each? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #26367 by </B><A HREF=/tutors/aboutme.mpl?userid=venugopalramana><B>venugopalramana(3286)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=venugopalramana><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.geocities.com/venugopalramana/FREE_MATHS_ASSISTANCE.html valign=middle><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=26367\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A company makes 3 types of cable. Cable A requires 3 black,3 white, and 2 red wires. Cable B requires 1 black, 2 white, and 1 red wire. Cable C requires 2 black,1 white, and 2 red. They used 100 black, 110 white, and 80 red. how many were made of each?<BR>\n" );
document.write( "CABLE......QTY.....BLACK...........WHITE.................RED.......<BR>\n" );
document.write( "A...........X........3X.............3X....................2X.......<BR>\n" );
document.write( "B...........Y........Y..............2Y.....................Y<BR>\n" );
document.write( "C...........Z........2Z..............Z.....................2Z<BR>\n" );
document.write( "----------------------------------------------------------------------<BR>\n" );
document.write( "TOTAL....X+Y+Z....3X+Y+2Z=100....3X+2Y+Z=110...........2X+Y+2Z=80<BR>\n" );
document.write( ".......................EQN.I.......EQN.II................EQN.III<BR>\n" );
document.write( "EQN.I-EQN.II............-Y+Z=-10............IV<BR>\n" );
document.write( "EQN.I*2-EQN.III*3........6X+2Y+4Z-6X-3Y-6Z=200-240=-40<BR>\n" );
document.write( "-Y-2Z=-40......Y+2Z=40......................V<BR>\n" );
document.write( "EQN.IV+EQN.V.....3Z=30....Z=10<BR>\n" );
document.write( "Y=40-2*10=20<BR>\n" );
document.write( "SUBSTITUTING IN EQN.III....2X+20+2*10=80<BR>\n" );
document.write( "2X=80-40=40<BR>\n" );
document.write( "X=20 </SPAN>\n" );
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