document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=217967>Question 217967</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a twin-engined air craft can fly 1200 miles from city a to city b in 5 hours with the wind and make the return trip in 8 hours against the wind. 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 #164242 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=164242\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1,200/5=240 mph with thwe wind.<BR>\n" );
document.write( "1,200/8=150 mph against the wind.<BR>\n" );
document.write( "(240-150)/2=90/2=45 mph is the wind speed.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( "240-45=195 speed of the plane in still air.<BR>\n" );
document.write( "150+45=195 ditto. </SPAN>\n" );
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