document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=668193>Question 668193</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can you help me with this problem: A Fly By Night Airlines plane is traveling at 600 miles per hour with all three engines running. After it has flown for x hours, the pilot turns off the middle engine to conserve fuel. The speed after engine shutdown is 500 miles per hour. If the total flight time is 6 hours, how long into the flight is the engine shut down for a 3400 mile cross country flight? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #415377 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=415377\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Can you help me with this problem: <BR>\n" );
document.write( "A Fly By Night Airlines plane is traveling at 600 miles per hour with all three engines running.After it has flown for x hours, the pilot turns off the middle engine to conserve fuel.<BR>\n" );
document.write( "distance traveled = 600x miles<BR>\n" );
document.write( "-------------------------------------------- <BR>\n" );
document.write( "The speed after engine shutdown is 500 miles per hour. <BR>\n" );
document.write( "If the total flight time is 6 hours<BR>\n" );
document.write( "distance traveled = 500(6-x) miles<BR>\n" );
document.write( "--------------------------<BR>\n" );
document.write( ", how long into the flight is the engine shut down for a 3400 mile cross country flight?<BR>\n" );
document.write( "===<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "600x + 500(6-x) = 3400 miles<BR>\n" );
document.write( "600x + 3000 - 500x = 3400<BR>\n" );
document.write( "100x = 400<BR>\n" );
document.write( "x = 4 hrs (time the plane flew on 3 engines)<BR>\n" );
document.write( "---<BR>\n" );
document.write( "6-x = 2 hrs (time the plane flew on 2 engines)<BR>\n" );
document.write( "=========================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );