document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=934541>Question 934541</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A 220 yard long train is traveling at 40 MPH, enters a 2 mile long tunnel. How long will elapse between the moment the front of the train enters the tunnel and the moment the end of the train clears the tunnel? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #567532 by </B><A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><B>TimothyLamb(4379)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><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=TimothyLamb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=567532\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1 yard = 3 feet<BR>\n" );
document.write( "1 mile = 5280 feet<BR>\n" );
document.write( "---<BR>\n" );
document.write( "(220 yard) * (3 feet/yard) * (1/5280 mile/feet)<BR>\n" );
document.write( "(220) * (3) * (1/5280)<BR>\n" );
document.write( "0.125 mile<BR>\n" );
document.write( "---<BR>\n" );
document.write( "the moment the front of the train enters the tunnel:<BR>\n" );
document.write( "distance from back of train to end of tunnel = tunnel length + train length<BR>\n" );
document.write( "2 + 0.125 = 2.125 miles<BR>\n" );
document.write( "---<BR>\n" );
document.write( "time elapsed between the moment the front of the train enters the tunnel and the moment the end of the train clears the tunnel:<BR>\n" );
document.write( "---<BR>\n" );
document.write( "s = d/t<BR>\n" );
document.write( "t = d/s<BR>\n" );
document.write( "t = 2.125/40<BR>\n" );
document.write( "t = 0.053125 hour<BR>\n" );
document.write( "t = 0.053125 hour * (60 minutes/hour) = 3.1875 minutes<BR>\n" );
document.write( "t = 3.1875 minutes * (60 seconds/minute) = 191.25 seconds<BR>\n" );
document.write( "---<BR>\n" );
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document.write( "--- </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );