document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=204385>Question 204385</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A Jet can travel at a rate or 525 miles per hour in calm air. Traveling with the wind, the plane flew 1815 miles in the same time that it flew 1335 miles against the wind. Find the rate 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 #154324 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=154324\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Using <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d+=+rt ALIGN=MIDDLE  ALT=\"d+=+rt\"   DISABLED_style= \"max-width:90%; height:auto;\" > where d = distance traveled, r = rate/speed, and t = time of travel.<BR>\n" );
document.write( "For the outbound trip: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5B1%5D+=+1815 ALIGN=MIDDLE  ALT=\"d%5B1%5D+=+1815\"   DISABLED_style= \"max-width:90%; height:auto;\" > miles, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5B1%5D+=+%28525%2Bw%29 ALIGN=MIDDLE  ALT=\"r%5B1%5D+=+%28525%2Bw%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >mph.<BR>\n" );
document.write( "For the return trip: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5B2%5D+=+1335 ALIGN=MIDDLE  ALT=\"d%5B2%5D+=+1335\"   DISABLED_style= \"max-width:90%; height:auto;\" > miles, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5B2%5D+=+525-w%29 ALIGN=MIDDLE  ALT=\"r%5B2%5D+=+525-w%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >mph.<BR>\n" );
document.write( "So we can set up the two equations: (w = wind speed)<BR>\n" );
document.write( "1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1815+=+%28525%2Bw%29%2At ALIGN=MIDDLE  ALT=\"1815+=+%28525%2Bw%29%2At\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1335+=+%28525-w%29%2At ALIGN=MIDDLE  ALT=\"1335+=+%28525-w%29%2At\"   DISABLED_style= \"max-width:90%; height:auto;\" > The time, t, is the same for both trips. Solve both equations fo t and set them equal to each other.<BR>\n" );
document.write( "1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+1815%2F%28525%2Bw%29 ALIGN=MIDDLE  ALT=\"t+=+1815%2F%28525%2Bw%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+1335%2F%28525-w%29 ALIGN=MIDDLE  ALT=\"t+=+1335%2F%28525-w%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > so...<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1815%2F%28525%2Bw%29+=+1335%2F%28525-w%29 ALIGN=MIDDLE  ALT=\"1815%2F%28525%2Bw%29+=+1335%2F%28525-w%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Now we solve for w, the speed of the wind. Cross-multiply.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1815%28525-w%29+=+1335%28525%2Bw%29 ALIGN=MIDDLE  ALT=\"1815%28525-w%29+=+1335%28525%2Bw%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=952875-1815w+=+700875%2B1335w ALIGN=MIDDLE  ALT=\"952875-1815w+=+700875%2B1335w\"   DISABLED_style= \"max-width:90%; height:auto;\" > Subtract 700875 from both sides.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=252000-1815w+=+1335w ALIGN=MIDDLE  ALT=\"252000-1815w+=+1335w\"   DISABLED_style= \"max-width:90%; height:auto;\" > Add 1815w to both sides.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=252000+=+3150w ALIGN=MIDDLE  ALT=\"252000+=+3150w\"   DISABLED_style= \"max-width:90%; height:auto;\" > Finally, divide both sides by 3150.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28w+=+80%29 ALIGN=MIDDLE  ALT=\"highlight%28w+=+80%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >mph.<BR>\n" );
document.write( " </SPAN>\n" );
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