document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=147408>Question 147408</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An airplane flew for 3 hours with a tail wind of 40 km/hr. The Return flight against the same wind took 4 hours. Find The Speed of the airplane 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 #107841 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=107841\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> D=RT<BR>\n" );
document.write( "SEEING AS THE DISTANCES ARE THE SAME WE HAVE:<BR>\n" );
document.write( "(R+40)3=(R-40)4<BR>\n" );
document.write( "3R+120=4R-160<BR>\n" );
document.write( "3R-4R=-160-120<BR>\n" );
document.write( "-R=-280<BR>\n" );
document.write( "R=280 KM/HR THE PLANES SPEED IN STILL AIR.<BR>\n" );
document.write( " </SPAN>\n" );
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