document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=285920>Question 285920</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A jet takes the same time to travel 2500 km with the wind as it does to travel 1900 km against the wind. If its speed relative to the air is 450 km/hr, what is the speed of the wind? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #207332 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=207332\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> At least you found the right category!<BR>\n" );
document.write( "Did you look for similar problems or a lesson?<BR>\n" );
document.write( "what letters should we use for jet and wind?<BR>\n" );
document.write( "(j+w)*t=2500<BR>\n" );
document.write( "(j-w)*t=1900<BR>\n" );
document.write( "Knock yourself out.<BR>\n" );
document.write( "j=450<BR>\n" );
document.write( "we could solve both equations for t and set them equal.<BR>\n" );
document.write( "(j+w)*t=2500<BR>\n" );
document.write( "(j-w)*t=1900<BR>\n" );
document.write( "t=2500/(450+w)<BR>\n" );
document.write( "t=1900/(450-w)\r<BR>\n" );
document.write( "\n" );
document.write( "2500/(450+w)=1900/(450-w)<BR>\n" );
document.write( "w=675/11= abt 61.36 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );