document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=544767>Question 544767</A>: <I><SPAN STYLE=\"word-break: break-all;\"> flying to kampala with a tailwind a plane averaged 158km/h. on return trip the plane only averaged 112km/h while flying back into the same wind. find the speed of thw wind and 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 #355325 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=355325\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> speed of wind in still air = x kmph<BR>\n" );
document.write( "speed against wind = y kmph\r<BR>\n" );
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document.write( "with wind speed = 158 kmph\r<BR>\n" );
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document.write( "x+y=158\r<BR>\n" );
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document.write( "x-y=112\r<BR>\n" );
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document.write( "Add the two equations\r<BR>\n" );
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document.write( "2x=270<BR>\n" );
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document.write( "x= 135 kmph  speed of plane.\r<BR>\n" );
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document.write( "plug x in x+y=158\r<BR>\n" );
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document.write( "135+y=158<BR>\n" );
document.write( "y=23 kmph\r<BR>\n" );
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document.write( " </SPAN>\n" );
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