document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=20007>Question 20007</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Points A,B,C and D lie on the same line and in that order. The ration of AB to AC is 1/4 and the ration of BC is 1/2. Find the ratio of AB to CD.\r<BR>\n" );
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document.write( "I have no idea how to even start! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #9638 by </B><A HREF=/tutors/aboutme.mpl?userid=wuwei96815><B>wuwei96815(245)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=wuwei96815><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=9638\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Is this problem complete?  You state that the ratio of BC is 1/2, but you don't state what that is in relationship to.\r<BR>\n" );
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document.write( "First, let's draw the line based on the information given:<BR>\n" );
document.write( "AB:AC::1:4<BR>\n" );
document.write( "BC:CD::1:2<BR>\n" );
document.write( "A-B---C------D\r<BR>\n" );
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document.write( "Without doing any calculations and just inspecting the line segments we can see that CD is 6 times as long as AB.  So, my guess is that AB:CD::1:6.  I hope that is right?  </SPAN>\n" );
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