document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=943978>Question 943978</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A harried parent leaves his house during rush-hour each weekday to fetch his<BR>\n" );
document.write( "wife at the railroad station and return to pick up his child from school. His<BR>\n" );
document.write( "house, station and school are equal distance of 1 mile from each other. (On an<BR>\n" );
document.write( "imaginary triangle.) He usually makes the whole trip in 15 minutes. Because of<BR>\n" );
document.write( "heavy traffic at rush-hour, he averages 10 miles/hour slower between the station<BR>\n" );
document.write( "and the school. How fast is his speed between the house and the station?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #575574 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</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=575574\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The word, \"return\" is creating ambiguity.  I will take the meaning, that the harried parent is making a circuit around the triangle.\r<BR>\n" );
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document.write( "Using all units as miles, hours, miles per hour,\r<BR>\n" );
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document.write( "_____________________rate___________time___________distance<BR>\n" );
document.write( "HOUSEtoSTATION_______r-10___________________________1<BR>\n" );
document.write( "STATIONtoSCHOOL______r______________________________1<BR>\n" );
document.write( "SCHOOLtoHOUSE________r______________________________1<BR>\n" );
document.write( "Total______________________________<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=15%2F60 ALIGN=MIDDLE  ALT=\"15%2F60\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "_____________________rate___________time___________distance<BR>\n" );
document.write( "HOUSEtoSTATION_______r-10___________1/(r-10)_________1<BR>\n" );
document.write( "STATIONtoSCHOOL______r______________1/r______________1<BR>\n" );
document.write( "SCHOOLtoHOUSE________r______________1/r______________1<BR>\n" );
document.write( "Total______________________________<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F4 ALIGN=MIDDLE  ALT=\"1%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "The question means, to find r-10.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%281%2F%28r-10%29%2B2%2Fr=1%2F4%29 ALIGN=MIDDLE  ALT=\"highlight_green%281%2F%28r-10%29%2B2%2Fr=1%2F4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, the equation formable from the data table.  Solve for r, and compute r-10.<BR>\n" );
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