document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=188460>Question 188460</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Flying with the wind, a pilot flew 800 km between two cities in 4 hours. The return trip against the wind required 5 hours. Find:<BR>\n" );
document.write( "a) The rate of the plane in calm air and,<BR>\n" );
document.write( "b) The rate of the wind  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #141275 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=141275\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 800/4=200 kph<BR>\n" );
document.write( "800/5=160 kph<BR>\n" );
document.write( "(200-160)/2=40/2=20 kph is the speed of the wind.<BR>\n" );
document.write( "200-20=180 speed of the plane.<BR>\n" );
document.write( "160+20=180 ditto.\r<BR>\n" );
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