document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1025323>Question 1025323</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The distance from Spokane to Pasco by train is 150 miles. The train ride is direct with no stops along the way except that the train stops every 30 miles to let freight trains pass. The trip takes 2 hours and 40 minutes. Suppose its average speed is 100 mph. What is the average wait time for letting freight trains pass? Express your answer to the nearest second. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #640632 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=640632\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The train's average speed does not<BR>\n" );
document.write( "include time when it is stopped<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+150+%2F+30+=+5+ ALIGN=MIDDLE  ALT=\"+150+%2F+30+=+5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "It stops 5 times to let freight trains pass<BR>\n" );
document.write( "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;\" > = time in hrs for each of the stops<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+5t+ ALIGN=MIDDLE  ALT=\"+5t+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = total time spent stopped<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2.667+-+5t+ ALIGN=MIDDLE  ALT=\"+2.667+-+5t+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = total travel time<BR>\n" );
document.write( "( 40 mins = .667 hrs )<BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+150+=+100%2A%28+2.667+-+5t+%29+ ALIGN=MIDDLE  ALT=\"+150+=+100%2A%28+2.667+-+5t+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+150+=+266.667+-+500t+ ALIGN=MIDDLE  ALT=\"+150+=+266.667+-+500t+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+500t+=+116.667+ ALIGN=MIDDLE  ALT=\"+500t+=+116.667+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+=+.23333+ ALIGN=MIDDLE  ALT=\"+t+=+.23333+\"   DISABLED_style= \"max-width:90%; height:auto;\" > hrs<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.23333%2A60+=+14+ ALIGN=MIDDLE  ALT=\"+.23333%2A60+=+14+\"   DISABLED_style= \"max-width:90%; height:auto;\" > min<BR>\n" );
document.write( "---------------------<BR>\n" );
document.write( "The average wait time is 14 min<BR>\n" );
document.write( "---------------------------<BR>\n" );
document.write( "check:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+150+=+100%2A%28+2.667+-+5t+%29+ ALIGN=MIDDLE  ALT=\"+150+=+100%2A%28+2.667+-+5t+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+150+=+100%2A%28+2.6667+-+5%2A.2333+%29+ ALIGN=MIDDLE  ALT=\"+150+=+100%2A%28+2.6667+-+5%2A.2333+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1.5+=+2.6667+-+1.16667+ ALIGN=MIDDLE  ALT=\"+1.5+=+2.6667+-+1.16667+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1.5+=+1.5+ ALIGN=MIDDLE  ALT=\"+1.5+=+1.5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );