document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=371399>Question 371399</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a plane can travel 480 miles with the wind in two hours. It takes about 3 hours to travel the same distance against the wind. How fast can the plane go and how fast is the wind?\r<BR>\n" );
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document.write( "How do I set this problem up to solve? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #264603 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=264603\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Rate*Time=DIstance<BR>\n" );
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document.write( "Let the plane speed be <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P ALIGN=MIDDLE  ALT=\"P\"   DISABLED_style= \"max-width:90%; height:auto;\" > and the wind speed by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=W ALIGN=MIDDLE  ALT=\"W\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "With the wind,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28P%2BW%292=480 ALIGN=MIDDLE  ALT=\"%28P%2BW%292=480\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "1.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%2BW=240 ALIGN=MIDDLE  ALT=\"P%2BW=240\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Against the wind,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28P-W%293=480 ALIGN=MIDDLE  ALT=\"%28P-W%293=480\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "2.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P-W=160 ALIGN=MIDDLE  ALT=\"P-W=160\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Add eq. 1 and eq. 2,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%2BW%2BP-W=240%2B160 ALIGN=MIDDLE  ALT=\"P%2BW%2BP-W=240%2B160\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2P=400 ALIGN=MIDDLE  ALT=\"2P=400\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28P=200%29 ALIGN=MIDDLE  ALT=\"highlight%28P=200%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >mph<BR>\n" );
document.write( "Then from eq. 1,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=200%2BW=240 ALIGN=MIDDLE  ALT=\"200%2BW=240\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28W=40%29 ALIGN=MIDDLE  ALT=\"highlight%28W=40%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >mph </SPAN>\n" );
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