document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1026221>Question 1026221</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Would you be able to help me with the following question?\r<BR>\n" );
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document.write( "if i drive to the railway station at 80 km-1 i will be 15 min late for my train. If I drive at 110 km h-1 i will be 10 minutes early. How far do I live from the station?\r<BR>\n" );
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document.write( "Thanks,<BR>\n" );
document.write( "Bob </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #641454 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=641454\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+ ALIGN=MIDDLE  ALT=\"+t+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = the time in hours that <BR>\n" );
document.write( "will make you arrive on time<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+ ALIGN=MIDDLE  ALT=\"+d+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = your distance in miles <BR>\n" );
document.write( "from the station<BR>\n" );
document.write( "------------------<BR>\n" );
document.write( "Equation for arriving late:<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=+80%2A%28+t+%2B+1%2F4+%29+ ALIGN=MIDDLE  ALT=\"+d+=+80%2A%28+t+%2B+1%2F4+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Equation for arriving early:<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=+110%2A%28+t+-+1%2F6+%29+ ALIGN=MIDDLE  ALT=\"+d+=+110%2A%28+t+-+1%2F6+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-----------------------<BR>\n" );
document.write( "( note that I converted minutes to <BR>\n" );
document.write( "fractions of an hour )<BR>\n" );
document.write( "Substitute (1) into (2)<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+110%2A%28+t+-+1%2F6+%29+=+80%2A%28+t+%2B+1%2F4+%29+ ALIGN=MIDDLE  ALT=\"+110%2A%28+t+-+1%2F6+%29+=+80%2A%28+t+%2B+1%2F4+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Divide both sides by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+10+ ALIGN=MIDDLE  ALT=\"+10+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+11%2A%28+t+-+1%2F6+%29+=+8%2A%28+t+%2B+1%2F4+%29+ ALIGN=MIDDLE  ALT=\"+11%2A%28+t+-+1%2F6+%29+=+8%2A%28+t+%2B+1%2F4+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+11t+-+11%2F6+=+8t+%2B+2+ ALIGN=MIDDLE  ALT=\"+11t+-+11%2F6+=+8t+%2B+2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3t+=+12%2F6+%2B+11%2F6+ ALIGN=MIDDLE  ALT=\"+3t+=+12%2F6+%2B+11%2F6+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3t+=+23%2F6+ ALIGN=MIDDLE  ALT=\"+3t+=+23%2F6+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+=+23%2F18+ ALIGN=MIDDLE  ALT=\"+t+=+23%2F18+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "------------------<BR>\n" );
document.write( "Plug this result back into either equation<BR>\n" );
document.write( "to get <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+ ALIGN=MIDDLE  ALT=\"+d+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=+80%2A%28+t+%2B+1%2F4+%29+ ALIGN=MIDDLE  ALT=\"+d+=+80%2A%28+t+%2B+1%2F4+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=+80%2A%28+23%2F18+%2B+1%2F4+%29+ ALIGN=MIDDLE  ALT=\"+d+=+80%2A%28+23%2F18+%2B+1%2F4+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=+80%2A%28+46%2F36+%2B+9%2F36+%29+ ALIGN=MIDDLE  ALT=\"+d+=+80%2A%28+46%2F36+%2B+9%2F36+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=+80%2A%28+55%2F36+%29+ ALIGN=MIDDLE  ALT=\"+d+=+80%2A%28+55%2F36+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=+122.222+ ALIGN=MIDDLE  ALT=\"+d+=+122.222+\"   DISABLED_style= \"max-width:90%; height:auto;\" > mi<BR>\n" );
document.write( "You live 122.222 mi from station<BR>\n" );
document.write( "------------------<BR>\n" );
document.write( "check answer:<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=+110%2A%28+t+-+1%2F6+%29+ ALIGN=MIDDLE  ALT=\"+d+=+110%2A%28+t+-+1%2F6+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=+110%2A%28+23%2F18+-+3%2F18+%29+ ALIGN=MIDDLE  ALT=\"+d+=+110%2A%28+23%2F18+-+3%2F18+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=+110%2A%28+10%2F9+%29+ ALIGN=MIDDLE  ALT=\"+d+=+110%2A%28+10%2F9+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=+122.222+ ALIGN=MIDDLE  ALT=\"+d+=+122.222+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK<BR>\n" );
document.write( "Hope I got it -you might want a 2nd opinion </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );