document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1005368>Question 1005368</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A plane flies at 200 mph for the first and last half hour of a flight. It flies at a higher constant speed for the rest of the flight. The route is 2100 miles. The plane is 1000 miles from the destination 2 hours before the end of the flight. How many hours is the entire flight? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #621665 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=621665\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "In the 1st 1/2 hr, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=+200%2A.5+ ALIGN=MIDDLE  ALT=\"+d+=+200%2A.5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=+100+ ALIGN=MIDDLE  ALT=\"+d+=+100+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "In the last 1/2 hr, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=+100+ ALIGN=MIDDLE  ALT=\"+d+=+100+\"   DISABLED_style= \"max-width:90%; height:auto;\" > also<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2100+-+200+=+1900+ ALIGN=MIDDLE  ALT=\"+2100+-+200+=+1900+\"   DISABLED_style= \"max-width:90%; height:auto;\" > mi is flown at<BR>\n" );
document.write( "the other constant speed<BR>\n" );
document.write( "----------------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1000+-+100+=+900+ ALIGN=MIDDLE  ALT=\"+1000+-+100+=+900+\"   DISABLED_style= \"max-width:90%; height:auto;\" > mi near the end of the trip is<BR>\n" );
document.write( "covered in <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2+-+.5+=+1.5+ ALIGN=MIDDLE  ALT=\"+2+-+.5+=+1.5+\"   DISABLED_style= \"max-width:90%; height:auto;\" > hrs<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+900%2F1.5+=+600+ ALIGN=MIDDLE  ALT=\"+900%2F1.5+=+600+\"   DISABLED_style= \"max-width:90%; height:auto;\" > mi/hr is the<BR>\n" );
document.write( "other constant speed<BR>\n" );
document.write( "-------------------<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 of flight except for the 1st<BR>\n" );
document.write( "1/2 hr and last 1/2 hr<BR>\n" );
document.write( "-------------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1900+ ALIGN=MIDDLE  ALT=\"+1900+\"   DISABLED_style= \"max-width:90%; height:auto;\" > is the miles covered at <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+600+ ALIGN=MIDDLE  ALT=\"+600+\"   DISABLED_style= \"max-width:90%; height:auto;\" > mi/hr<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1900+=+600t+ ALIGN=MIDDLE  ALT=\"+1900+=+600t+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+=+3.1667+ ALIGN=MIDDLE  ALT=\"+t+=+3.1667+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3.1667+%2B+.5+%2B+.5+=+4.1667+ ALIGN=MIDDLE  ALT=\"+3.1667+%2B+.5+%2B+.5+=+4.1667+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.1667%2A60+=+10+ ALIGN=MIDDLE  ALT=\"+.1667%2A60+=+10+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "This is 4 hrs and 10 minutes for the entire flight<BR>\n" );
document.write( "Hope I got it! </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );