document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=858958>Question 858958</A>: <I><SPAN STYLE=\"word-break: break-all;\"> It takes 12 hours to drive a truck to its delivery point and back.  The rate going 50 mph, the rate returning is 70 mph.  Find the one way distance </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #517452 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=517452\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let t = time going.<BR>\n" );
document.write( "12-t = time returning, since the total of these times is 12.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Distance going is the same as distance returning.<BR>\n" );
document.write( "RT=D for typical uniform rates travel.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=50t=70%2812-t%29 ALIGN=MIDDLE  ALT=\"50t=70%2812-t%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=50t=840-70t ALIGN=MIDDLE  ALT=\"50t=840-70t\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=120t=840 ALIGN=MIDDLE  ALT=\"120t=840\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28t=7%29 ALIGN=MIDDLE  ALT=\"highlight_green%28t=7%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >;\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Now, what can be done with the value for t?\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "... See? </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );