document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=228288>Question 228288</A>: <I><SPAN STYLE=\"word-break: break-all;\"> with no wind blowing, a plane travels at 240 mph. if a plane travels 810 miles with a wind in the same time it travels 630 miles against the wind, 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 #169504 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=169504\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> D=RT OR T=D/R<BR>\n" );
document.write( "T=810/(240+W)<BR>\n" );
document.write( "T=630/(240-W)<BR>\n" );
document.write( "810/(240+W)=630/(240-W)<BR>\n" );
document.write( "810(240-W)=630(240+W)<BR>\n" );
document.write( "194,400-810W=151,200+630W<BR>\n" );
document.write( "-810W-630W=151,200-194,400<BR>\n" );
document.write( "-1,440W=-43,200<BR>\n" );
document.write( "W=-43,200/-1,440<BR>\n" );
document.write( "W=30 MPH. IS THE SPEED OF THE WIND.<BR>\n" );
document.write( "PROOF:<BR>\n" );
document.write( "810/(240+30)=630/(240-30)<BR>\n" );
document.write( "810/270=630/210<BR>\n" );
document.write( "3=3 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );