document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1101042>Question 1101042</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If parcel A and B together weigh 24 kgs, but parcel B and C together weighs only 21 kgs.<BR>\n" );
document.write( "When parcel A and C are paired, the combined weight is 27kgs. If the weight of parcel A is<BR>\n" );
document.write( "represented by a, the weight of parcel C is represented by b and the weight of parcel C is<BR>\n" );
document.write( "represented by c.<BR>\n" );
document.write( "a. Derive a system of three equations in a, b and c.<BR>\n" );
document.write( "b. Using the inverse method derive the combined weight of parcel A, B and C </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #715618 by </B><A HREF=/tutors/aboutme.mpl?userid=jorel1380><B>jorel1380(3719)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jorel1380><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=jorel1380><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=715618\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A+B=24<BR>\n" );
document.write( "B+C=21<BR>\n" );
document.write( "A+C=27<BR>\n" );
document.write( "A=24-B<BR>\n" );
document.write( "C=21-B<BR>\n" );
document.write( "24-B+21-B=27<BR>\n" );
document.write( "2B=18<BR>\n" );
document.write( "B=9<BR>\n" );
document.write( "A=15<BR>\n" );
document.write( "C=12<BR>\n" );
document.write( "The combined weight is 36 kgs<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );