document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1022590>Question 1022590</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A pilot can travel 396 miles with the same amount of time as 324 miles against the wind. Find the speed of the wind if the pilot's speed in still air is 170 miles per hour. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #638261 by </B><A HREF=/tutors/aboutme.mpl?userid=fractalier><B>fractalier(6550)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fractalier><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=fractalier><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=638261\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Call the rate of the wind, w.<BR>\n" );
document.write( "Since rate times time equals distance, we can write<BR>\n" );
document.write( "396 = (170+w)t and<BR>\n" );
document.write( "324 = (170-w)t<BR>\n" );
document.write( "Now solve for t and set them equal...we get<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=396%2F%28170%2Bw%29+=+324%2F%28170-w%29 ALIGN=MIDDLE  ALT=\"396%2F%28170%2Bw%29+=+324%2F%28170-w%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Then cross multiply and solve for w...<BR>\n" );
document.write( "396(170-w) = 324(170+w)<BR>\n" );
document.write( "67320 - 396w = 55080 + 324w<BR>\n" );
document.write( "12240 = 720w<BR>\n" );
document.write( "w = 17 mph </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );