document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=734758>Question 734758</A>: <I><SPAN STYLE=\"word-break: break-all;\"> PLEASE HELP!!!\r<BR>\n" );
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document.write( "the average speed in still air of a certain plane is 500 km/h. with a constant wind blowing, the plane takes 4 1/6 hour to fly 1040 km into the wind and then return the same distance. 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 #449123 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=449123\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+w+ ALIGN=MIDDLE  ALT=\"+w+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = wind speed in km/hr<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+500+-+w+ ALIGN=MIDDLE  ALT=\"+500+-+w+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = speed of the plane flying into the wind<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+500+%2B+w+ ALIGN=MIDDLE  ALT=\"+500+%2B+w+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = speed of the plane flying with the wind<BR>\n" );
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document.write( "Flying into the wind:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1040+=+%28+500+-+w+%29%2A%2825%2F6%29+ ALIGN=MIDDLE  ALT=\"+1040+=+%28+500+-+w+%29%2A%2825%2F6%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+6240+=+25%2A%28+500+-+w+%29+ ALIGN=MIDDLE  ALT=\"+6240+=+25%2A%28+500+-+w+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+6240+=+12500+-+25w+ ALIGN=MIDDLE  ALT=\"+6240+=+12500+-+25w+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+25w+=+12500+-+6240+ ALIGN=MIDDLE  ALT=\"+25w+=+12500+-+6240+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+25w+=+6260+ ALIGN=MIDDLE  ALT=\"+25w+=+6260+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+w+=+250.4+ ALIGN=MIDDLE  ALT=\"+w+=+250.4+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "This seems too high for wind speed.<BR>\n" );
document.write( "I'll check it:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1040+=+%28+500+-+w+%29%2A%2825%2F6%29+ ALIGN=MIDDLE  ALT=\"+1040+=+%28+500+-+w+%29%2A%2825%2F6%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1040+=+%28+500+-+250.4+%29%2A%2825%2F6%29+ ALIGN=MIDDLE  ALT=\"+1040+=+%28+500+-+250.4+%29%2A%2825%2F6%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1040+=+249.6%2A%28+25%2F6+%29+ ALIGN=MIDDLE  ALT=\"+1040+=+249.6%2A%28+25%2F6+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1040+=+1040+ ALIGN=MIDDLE  ALT=\"+1040+=+1040+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK\r<BR>\n" );
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document.write( " </SPAN>\n" );
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