document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=891399>Question 891399</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if 2 students move from van a to b the two van will have the same number of students but if two students move from van b to a van b will have half the number of students that were in a. Show at least one equation to get a mark. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #539717 by </B><A HREF=/tutors/aboutme.mpl?userid=JulietG><B>JulietG(1812)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=JulietG><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=JulietG><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=539717\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A - 2 (van A is losing 2 students) = B<BR>\n" );
document.write( "B - 2 (van B losing 2 students) = .5A (half the amount of A)<BR>\n" );
document.write( "A-2=B<BR>\n" );
document.write( "B-2=.5A<BR>\n" );
document.write( "Let's take the known value of B from the first equation and substitute it in the second.<BR>\n" );
document.write( "B-2=.5A<BR>\n" );
document.write( "(A-2)-2 = .5A<BR>\n" );
document.write( "A-4 = .5A<BR>\n" );
document.write( "Add 4 to each side<BR>\n" );
document.write( "A = .5A + 4<BR>\n" );
document.write( "If half of A + 4 is equal to A, then A must be twice 4.<BR>\n" );
document.write( "A = 8<BR>\n" );
document.write( "If A equals 8, then B = 6 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );