document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=274196>Question 274196</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi.  I have been stumbling with this one and I am happy to have found this site!! I shouldn't be having a problem, but I am--- road block!!!<BR>\n" );
document.write( " - Two planes having the same airspeed depart simultaneously from the airport, flying in opposite directions.  One plane flies directly into a 35mph wind, and the other flies in the same direction as the wind.  After a period of time, one plane has traveled 460 miles abd the other has traveled 404 miles.  Let x= the airspeed of each plane (note: this is only possible because the airspeed is the same.)  <BR>\n" );
document.write( "  I know d=rt.  I have r=x-35mph for the one going to the wind and x+35mph for the other.   Do I simply go 460=35t for the one going with the wind?<BR>\n" );
document.write( "  I am lost here and not sure if I am thinking too much on it.  Thank you for your help!!!!! rl </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #200123 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=200123\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  Two planes having the same airspeed depart simultaneously from the airport, flying in opposite directions.<BR>\n" );
document.write( " One plane flies directly into a 35mph wind, and the other flies in the same direction as the wind.<BR>\n" );
document.write( " After a period of time, one plane has traveled 460 miles and the other has traveled 404 miles.<BR>\n" );
document.write( " Let x= the airspeed of each plane (note: this is only possible because the airspeed is the same.)<BR>\n" );
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document.write( "Here is how I would do it.<BR>\n" );
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document.write( "Both planes travel time is the same, write a time equation: time = dist/speed<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=460%2F%28%28x%2B35%29%29 ALIGN=MIDDLE  ALT=\"460%2F%28%28x%2B35%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=404%2F%28%28x-35%29%29 ALIGN=MIDDLE  ALT=\"404%2F%28%28x-35%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "Cross multiply<BR>\n" );
document.write( "460(x-35) = 404(x+35)<BR>\n" );
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document.write( "460x - 16100 = 404x + 14140<BR>\n" );
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document.write( "460x - 404x = 14140 + 16100<BR>\n" );
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document.write( "56x = 30240<BR>\n" );
document.write( "x = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30240%2F56 ALIGN=MIDDLE  ALT=\"30240%2F56\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x = 540 mph plane speed in still air<BR>\n" );
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document.write( "Check solution by finding the travel time of each a/c, should be the same:<BR>\n" );
document.write( "460/575 = .8 hrs<BR>\n" );
document.write( "404/505 = .8 also </SPAN>\n" );
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