document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=437577>Question 437577</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Flying against a headwind, a plane covers 900 miles in 2 hours. The return trip with a tailwind only takes an hour and a half. Find the speed of the wind, and the speed of the plane within the air mass. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #853296 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39702)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=853296\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> r, plane speed no wind<BR>\n" );
document.write( "w, wind speed\r<BR>\n" );
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document.write( "Against headwind<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28r-w%29%2A2=900 ALIGN=MIDDLE  ALT=\"%28r-w%29%2A2=900\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "With tailwind<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28r%2Bw%29%2A1.5=900 ALIGN=MIDDLE  ALT=\"%28r%2Bw%29%2A1.5=900\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28r-w=450%2Cr%2Bw=600%29 ALIGN=MIDDLE  ALT=\"system%28r-w=450%2Cr%2Bw=600%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "with these, possible to easily do without writing further steps, to find r and w. </SPAN>\n" );
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