document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1034222>Question 1034222</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An airplane trip takes 6hours to fly 2400 kilometers against the wild . the return trip with me wind takes only 4hours . what would be the speed , in kilometers per hour,if the airplane on the same trip traveling when the air is still? <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #648809 by </B><A HREF=/tutors/aboutme.mpl?userid=jorel555><B>jorel555(1290)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jorel555><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=648809\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2400 kms/6 hrs= avg speed of 400 kph<BR>\n" );
document.write( "2400 kms/4 hrs= avg speed of 600 kph<BR>\n" );
document.write( "Difference of speeds is 200 mph; divided by 2 legs this equals 100 mph wind. So:<BR>\n" );
document.write( "6(x-100)=4(x+100)<BR>\n" );
document.write( "6x-600=4x+400<BR>\n" );
document.write( "2x=1000<BR>\n" );
document.write( "x=500<BR>\n" );
document.write( "So, the plane flies at 500kph in still air!!!!!!!! </SPAN>\n" );
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