document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1007343>Question 1007343</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A plane flies from Chicago to Los Angeles, A distance of 2000 miles, in 4 hours. It flies against a 50 mile per hour wind. The plane flies the return trip from Las Angles back to Chicago in 3 and 1/3 hours. Find the speed of the plane in still air. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #623277 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=623277\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A plane flies from Chicago to Los Angeles, A distance of 2000 miles, in 4 hours. It flies against a 50 mile per hour wind. The plane flies the return trip from Las Angles back to Chicago in 3 and 1/3 hours. Find the speed of the plane in still air.<BR>\n" );
document.write( "3 1/3 hrs=10/3 hrs<BR>\n" );
document.write( "let x=speed of plane in still air<BR>\n" );
document.write( "x+50=speed of plane with the wind<BR>\n" );
document.write( "x-50=speed of plane against the wind<BR>\n" );
document.write( "travel time*speed=distance(same for both directions)   <BR>\n" );
document.write( "4(x-50)=10/3(x-50)<BR>\n" );
document.write( "12(x-50)=10(x+50)<BR>\n" );
document.write( "12x-600=10x+500<BR>\n" );
document.write( "2x=1100<BR>\n" );
document.write( "x=550<BR>\n" );
document.write( "speed of plane in still air=550 mph </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );