document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=466446>Question 466446</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A jet flew at an average speed of 640mph from Los Angeles to Chicago. <BR>\n" );
document.write( "Because of head winds the jet averaged only 512 mph on the return trip, and <BR>\n" );
document.write( "the trip took 48 minutes longer.\r<BR>\n" );
document.write( "\n" );
document.write( "A. How many hours was the flight from Chicago to Los Angeles?<BR>\n" );
document.write( "B. How far is it from Chicago to Los Angeles?\r<BR>\n" );
document.write( "\n" );
document.write( "I really need help with this problem. I am really confused and have no idea<BR>\n" );
document.write( "how to figure this problem out. Can you please help me?<BR>\n" );
document.write( "Thank you kindly. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #319823 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=319823\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Get the logic right\r<BR>\n" );
document.write( "\n" );
document.write( "time taken from chicago to LA was more by 48 minutes = 4/5 hours\r<BR>\n" );
document.write( "\n" );
document.write( "Let the distance between LA and chicago be x\r<BR>\n" );
document.write( "\n" );
document.write( "t= d/r<BR>\n" );
document.write( "time to chicago = x/640 hours\r<BR>\n" );
document.write( "\n" );
document.write( "time to LA = x/512 \r<BR>\n" );
document.write( "\n" );
document.write( "Time to LA - Time to chicago = 4/5 \r<BR>\n" );
document.write( "\n" );
document.write( "x/512 - x/630= 4/5\r<BR>\n" );
document.write( "\n" );
document.write( "630x-512x= 4*630*512 /5\r<BR>\n" );
document.write( "\n" );
document.write( "118x= 4*126*512\r<BR>\n" );
document.write( "\n" );
document.write( "x= 4*126*512/118<BR>\n" );
document.write( "x= 2186.8 miles \r<BR>\n" );
document.write( "\n" );
document.write( "Time to LA = 2186.8/512\r<BR>\n" );
document.write( "\n" );
document.write( "4.2 hours\r<BR>\n" );
document.write( "\n" );
document.write( "CHECK\r<BR>\n" );
document.write( "\n" );
document.write( "Time to chicago = 2186.8 / 640<BR>\n" );
document.write( "= 3.42 hours<BR>\n" );
document.write( "4.27-3.4= 0.8 hours  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );