document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1202491>Question 1202491</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The express train made the trip in 20 hours. The freight train took 25 hours because it was 10 miles per hour slower than the express train. What was the speed of each train? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #837366 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=837366\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">\r\n" );
document.write( "                   SPEED        TIME        DISTANCE\r\n" );
document.write( "EXPRESS             r             20           d\r\n" );
document.write( "FREIGHT             r-10          25           d\r\n" );
document.write( "</PRE><BR>\n" );
document.write( "Each train, same distance d.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20r=25%28r-10%29 ALIGN=MIDDLE  ALT=\"20r=25%28r-10%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20r=25r-25%2A10 ALIGN=MIDDLE  ALT=\"20r=25r-25%2A10\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=25r-20r=25%2A10 ALIGN=MIDDLE  ALT=\"25r-20r=25%2A10\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2825-20%29r=25%2A10 ALIGN=MIDDLE  ALT=\"%2825-20%29r=25%2A10\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28r=%2825%2A10%29%2F%2825-20%29%29 ALIGN=MIDDLE  ALT=\"highlight%28r=%2825%2A10%29%2F%2825-20%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28EXPRESS%2CFREIGHT%29 ALIGN=MIDDLE  ALT=\"system%28EXPRESS%2CFREIGHT%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >------<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28r=50%2Cr-10=40%29 ALIGN=MIDDLE  ALT=\"system%28r=50%2Cr-10=40%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " </SPAN>\n" );
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