document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=372402>Question 372402</A>: <I><SPAN STYLE=\"word-break: break-all;\"> plane travels 175 miles with the wind in the same amount of time it flew 150 miles against the wind. what was the speed of the plane in the still air if the wind was blowing at 20 mph? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #265273 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=265273\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> plane travels 175 miles with the wind in the same amount of time it flew 150 miles against the wind. what was the speed of the plane in the still air if the wind was blowing at 20 mph?<BR>\n" );
document.write( "..<BR>\n" );
document.write( "let speed of plane in still air be x mph<BR>\n" );
document.write( "wind speed = 20 mph<BR>\n" );
document.write( "..<BR>\n" );
document.write( "speed with wind = x+20: d=175 miles<BR>\n" );
document.write( "against wind speed = x-20: d= 150 miles\r<BR>\n" );
document.write( "\n" );
document.write( "...<BR>\n" );
document.write( "175/(x+20)=150(x-20)<BR>\n" );
document.write( "175(x-20)=150(x+20)<BR>\n" );
document.write( "175x-3500=150x+3000<BR>\n" );
document.write( "reorganise <BR>\n" );
document.write( "25x=6500<BR>\n" );
document.write( "/25<BR>\n" );
document.write( "x=6500/25<BR>\n" );
document.write( "x=260 mph speed of plane in still air<BR>\n" );
document.write( "...<BR>\n" );
document.write( "m.ananth@hotmail.ca </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );