document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=462945>Question 462945</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I have another difficult question that I don't even know how to set up or solve. Please help me with this.\r<BR>\n" );
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document.write( " Refer to the given graph. Assume one can move only down or to the right. How many different routes start at A, pass through B, and end at C?\r<BR>\n" );
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document.write( "The graph has 5 rows and 5 columns.\r<BR>\n" );
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document.write( "It looks similar to this.\r<BR>\n" );
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document.write( "a<BR>\n" );
document.write( "[][][]b[][]<BR>\n" );
document.write( "[][][][][]<BR>\n" );
document.write( "[][][][][]<BR>\n" );
document.write( "[][][][][]<BR>\n" );
document.write( "[][][][][]c<BR>\n" );
document.write( "           </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #317274 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20855)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=317274\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1st rout<BR>\n" );
document.write( "a<BR>\n" );
document.write( "[x][x][x]b[][]<BR>\n" );
document.write( "--[][][][x][]<BR>\n" );
document.write( "--[][][][x][]<BR>\n" );
document.write( "--[][][][x][]<BR>\n" );
document.write( "--[][][][x[x]c<BR>\n" );
document.write( "          <BR>\n" );
document.write( "2nd rout<BR>\n" );
document.write( "a<BR>\n" );
document.write( "[x][x][x]b[][]<BR>\n" );
document.write( "--[][][][x][]<BR>\n" );
document.write( "--[][][][x][]<BR>\n" );
document.write( "--[][][][x][x]<BR>\n" );
document.write( "---[][][][][x]c<BR>\n" );
document.write( "          <BR>\n" );
document.write( "3rd rout<BR>\n" );
document.write( "a<BR>\n" );
document.write( "[x][x][x]b[][]<BR>\n" );
document.write( "--[][][][x][]<BR>\n" );
document.write( "--[][][][x][x]<BR>\n" );
document.write( "---[][][][][x]<BR>\n" );
document.write( "---[][][][][x]c\r<BR>\n" );
document.write( "<BR>\n" );
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document.write( "4th  rout<BR>\n" );
document.write( "a<BR>\n" );
document.write( "[x][x][x]b[][]<BR>\n" );
document.write( "---[][][][x][x]<BR>\n" );
document.write( "----[][][][][x]<BR>\n" );
document.write( "----[][][][][x]<BR>\n" );
document.write( "----[][][][][x]c<BR>\n" );
document.write( "          \r<BR>\n" );
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document.write( "since one can move only down or to the right, there is 4 different routes start at A, pass through B, and end at C<BR>\n" );
document.write( "           </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );