document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1013391>Question 1013391</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If a plane can travel 490 miles per hour with the wind and 410 miles per hour against the wind, find the speed of the plane in still air.<BR>\n" );
document.write( "What is the speed of the plane in still air?<BR>\n" );
document.write( "___ miles per hour<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 #629638 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</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=629638\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> r, the rate of the plane without being in wind;<BR>\n" );
document.write( "w, the speed of the wind;<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28r%2Bw=490%2Cr-w=410%29 ALIGN=MIDDLE  ALT=\"system%28r%2Bw=490%2Cr-w=410%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Very simple two-variable linear system, perfectly ready for solving with Elimination Method.  If you ADD the corresponding members, this will eliminate w, and you can quickly find the value for r. </SPAN>\n" );
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