document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=628245>Question 628245</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A plane flies 435 miles with the wind and 375 miles against the wind in the same length of time. If the speed of the wind is 10mph, find the speed of the plane in still air. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #395492 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=395492\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> r*t=d<BR>\n" );
document.write( "t=d/r<BR>\n" );
document.write( "435/(r+10)=375/(r-10)<BR>\n" );
document.write( "435(r-10)=375(r+10)<BR>\n" );
document.write( "435r-4350=375r+3750<BR>\n" );
document.write( "60r=4350+3750<BR>\n" );
document.write( "60r=8100<BR>\n" );
document.write( "r=135 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );