document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1014457>Question 1014457</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Professors  Roberts and Jones, who lives 676 miles apart, are exchanging houses and jobs for the summer. They start out for their new locations at exactly the same time, and they meet after 6.5 hours of driving. If their average speeds differ by 4 mph, what are their average speeds?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #630745 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52802)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=630745\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "Professors  Roberts and Jones, who lives 676 miles apart, are exchanging houses and jobs for the summer. They start out for their new locations at exactly the same time, and they meet after 6.5 hours of driving. If their average speeds differ by 4 mph, what are their average speeds? <BR>\n" );
document.write( "-------------------------------------------------------------------\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "6.5*x + 6.5*(x+4) = 676.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "where x is the lowest speed.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Simplify and solve:\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "13x + 26 = 676,\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "13x = 676 - 26 = 650,\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "x = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=650%2F13 ALIGN=MIDDLE  ALT=\"650%2F13\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 50 mph.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<U>Answer</U>. Slower car speed 50 mph. Faster car speed 54 mph.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );