document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=938387>Question 938387</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Justin drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took 12  hours. When Justin drove home, there was no traffic and the trip only took 8  hours. If his average rate was 20  miles per hour faster on the trip home, how far away does Justin live from the mountains? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #571628 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=571628\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> r the rate Up<BR>\n" );
document.write( "D/r = 12hr  0r <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=D+=+12r ALIGN=MIDDLE  ALT=\"D+=+12r\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "D/(r+20) = 8hr<BR>\n" );
document.write( "......<BR>\n" );
document.write( "12r/(r+20) = 8<BR>\n" );
document.write( "12r = 8(r+20)<BR>\n" );
document.write( "4r = 160<BR>\n" );
document.write( "r = 40mph the rate Up<BR>\n" );
document.write( "..<BR>\n" );
document.write( "D = 12r = 480mi </SPAN>\n" );
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