document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1187240>Question 1187240</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I have no idea how to approach this, can you please help me.\r<BR>\n" );
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document.write( "The question is as followed, \r<BR>\n" );
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document.write( "Flying to Kampala with a tailwind a plane averaged 185 km/h. On the return trip the plane only averaged 143 km/h while flying back into the same wind. What is the speed of the wind and the speed of the plane while in the air?\r<BR>\n" );
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document.write( "They are asking me to write a linear equation and solve.\r<BR>\n" );
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document.write( "X= could represent the speed of the wind  and Y=the speed of the plane while in the air.<BR>\n" );
document.write( "not sure how to get the answer\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #818171 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=818171\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "Flying to Kampala with a tailwind a plane averaged 185 km/h. On the return trip the plane only averaged 143 km/h while flying back into the same wind. What is the speed of the wind and the speed of the plane while in the air?\r<BR>\n" );
document.write( "\n" );
document.write( "They are asking me to write a linear equation and solve.\r<BR>\n" );
document.write( "\n" );
document.write( "X= could represent the speed of the wind  and Y=the speed of the plane while in the air.<BR>\n" );
document.write( "not sure how to get the answer<BR>\n" );
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document.write( "The plane's airspeed is the average of the 2 groundspeeds.<BR>\n" );
document.write( "= (185+143)/2 = 164 km/hr<BR>\n" );
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document.write( "Windspeed is the difference between airspeed and groundspeed.<BR>\n" );
document.write( "164 - 143 = 21 km/hr\r<BR>\n" );
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