document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=479998>Question 479998</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 6kg of tea and 11kg of sugar cost 13.30<BR>\n" );
document.write( "11kg of tea and 6kg of sugar cost 17.30<BR>\n" );
document.write( "find the cost of tea and sugar per kilo </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #328823 by </B><A HREF=/tutors/aboutme.mpl?userid=Maths68><B>Maths68(1474)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Maths68><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Maths68><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=328823\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 6t+11s=13.30<BR>\n" );
document.write( "11t+6s=17.30<BR>\n" );
document.write( "Multiply (1) by 11 and (2)  by (-6) then add both equations<BR>\n" );
document.write( "66t+121s=146.30<BR>\n" );
document.write( "-66t-36s=-103.80<BR>\n" );
document.write( "------------------------- <BR>\n" );
document.write( "85s=42.5<BR>\n" );
document.write( "S=42.5/85=0.5$/kg<BR>\n" );
document.write( "Put the value of S in equation (1) or (2)<BR>\n" );
document.write( "6t+11(0.5)=13.30<BR>\n" );
document.write( "6t+5.5=13.30<BR>\n" );
document.write( "6t=13.30-5.5<BR>\n" );
document.write( "6t=7.80<BR>\n" );
document.write( "t=7.80/6<BR>\n" );
document.write( "t=1.30$/kg<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );