document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=110384>Question 110384</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Ok, so town A and town B are 100 miles apart.  Car A is leaving from town A and traveling 60mph, and car B is leaving from town B and traveling 50mph.  How long before they collide?  I know it has something to do with the D=r*t formula...I'm just not sure how to figure this one out.  Thanks! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #80447 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=80447\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> They leave at the same time and collide at the same time, so<BR>\n" );
document.write( "If I write<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+d%5BA%5D%2Fr%5BA%5D ALIGN=MIDDLE  ALT=\"t+=+d%5BA%5D%2Fr%5BA%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+d%5BB%5D%2Fr%5BB%5D ALIGN=MIDDLE  ALT=\"t+=+d%5BB%5D%2Fr%5BB%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" >, then<BR>\n" );
document.write( "t is the same for both, and I can write <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5BA%5D%2Fr%5BA%5D+=+d%5BB%5D%2Fr%5BB%5D ALIGN=MIDDLE  ALT=\"d%5BA%5D%2Fr%5BA%5D+=+d%5BB%5D%2Fr%5BB%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5BA%5D+=+60 ALIGN=MIDDLE  ALT=\"r%5BA%5D+=+60\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5BB%5D+=+50 ALIGN=MIDDLE  ALT=\"r%5BB%5D+=+50\"   DISABLED_style= \"max-width:90%; height:auto;\" >, so<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5BA%5D%2F60+=+d%5BB%5D%2F50 ALIGN=MIDDLE  ALT=\"d%5BA%5D%2F60+=+d%5BB%5D%2F50\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "And I know <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5BA%5D+%2B+d%5BB%5D+=+100 ALIGN=MIDDLE  ALT=\"d%5BA%5D+%2B+d%5BB%5D+=+100\"   DISABLED_style= \"max-width:90%; height:auto;\" >, so I can say<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5BB%5D+=+100+-+d%5BA%5D ALIGN=MIDDLE  ALT=\"d%5BB%5D+=+100+-+d%5BA%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Now I have <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5BA%5D+%2F+60+=+%28100+-+d%5BA%5D%29+%2F+50 ALIGN=MIDDLE  ALT=\"d%5BA%5D+%2F+60+=+%28100+-+d%5BA%5D%29+%2F+50\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=50%2Ad%5BA%5D+=+60%28100+-+d%5BA%5D%29 ALIGN=MIDDLE  ALT=\"50%2Ad%5BA%5D+=+60%28100+-+d%5BA%5D%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=50%2Ad%5BA%5D+=+6000+-+60%2Ad%5BA%5D ALIGN=MIDDLE  ALT=\"50%2Ad%5BA%5D+=+6000+-+60%2Ad%5BA%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=110%2Ad%5BA%5D+=+6000 ALIGN=MIDDLE  ALT=\"110%2Ad%5BA%5D+=+6000\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5BA%5D+=+54.5454 ALIGN=MIDDLE  ALT=\"d%5BA%5D+=+54.5454\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+d%5BA%5D+%2F+r%5BA%5D ALIGN=MIDDLE  ALT=\"t+=+d%5BA%5D+%2F+r%5BA%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+54.5454+%2F+60 ALIGN=MIDDLE  ALT=\"t+=+54.5454+%2F+60\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+.90909 ALIGN=MIDDLE  ALT=\"t+=+.90909\"   DISABLED_style= \"max-width:90%; height:auto;\" >hrs<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.90909 ALIGN=MIDDLE  ALT=\".90909\"   DISABLED_style= \"max-width:90%; height:auto;\" >hrs x <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=60 ALIGN=MIDDLE  ALT=\"60\"   DISABLED_style= \"max-width:90%; height:auto;\" >min/hr = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=54.5454 ALIGN=MIDDLE  ALT=\"54.5454\"   DISABLED_style= \"max-width:90%; height:auto;\" >min<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.5454 ALIGN=MIDDLE  ALT=\".5454\"   DISABLED_style= \"max-width:90%; height:auto;\" > min x <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=60 ALIGN=MIDDLE  ALT=\"60\"   DISABLED_style= \"max-width:90%; height:auto;\" >sec/min = 32.7272 sec<BR>\n" );
document.write( "So, the cars will collide in 54 min 33 sec approximately  </SPAN>\n" );
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