document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=26024>Question 26024</A>: <I><SPAN STYLE=\"word-break: break-all;\"> To measure the speed of the jet stream, a weather plane left its base at noon and flew 800km directly against the stream with an air speed of 750 km/h. It then returned directly to its base, arriving at 2:24 P.M. What was the speed of the jet stream?<BR>\n" );
document.write( "Thank you. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #13977 by </B><A HREF=/tutors/aboutme.mpl?userid=Paul><B>Paul(988)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Paul><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=13977\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> From noon till 2.24 its 2.4hours.<BR>\n" );
document.write( "LEt the speed be x<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=750%2Fx=800%2Fx%2B2.4 ALIGN=MIDDLE  ALT=\"750%2Fx=800%2Fx%2B2.4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "750(x+2.4)=800x<BR>\n" );
document.write( "750x+1800=800x<BR>\n" );
document.write( "50x=1800<BR>\n" );
document.write( "x=36\r<BR>\n" );
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document.write( "Hence, the speed of the jetstream is 36km/h.<BR>\n" );
document.write( "Paul.<BR>\n" );
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