document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=912891>Question 912891</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a plane travels from city a to city b, a distance of 1500 miles, in 6 hrs. On the return trip, the plane encounters a headwind, and the trip takes 10 hrs. what is the speed of the headwind? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #554150 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=554150\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> w/o a tail wind going: s(w/o wind) = 250mph <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1500mi%2F%289hr%29 ALIGN=MIDDLE  ALT=\"1500mi%2F%289hr%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "returning<BR>\n" );
document.write( "250 - w = 150 <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1500mi%2F%2810hr%29 ALIGN=MIDDLE  ALT=\"1500mi%2F%2810hr%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "50mph = w<BR>\n" );
document.write( "........<BR>\n" );
document.write( "with a tail wind going<BR>\n" );
document.write( "s + w = 250<BR>\n" );
document.write( "<u>s - w = 150</u><BR>\n" );
document.write( "2s = 400<BR>\n" );
document.write( "s = 200mph<BR>\n" );
document.write( "w = 50mph </SPAN>\n" );
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