document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=284442>Question 284442</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A plane flies 600 miles per hour with the wind and 530 miles per hour against the wind. Find the speed of the 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 #206406 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=206406\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The \"speed of the plane in still air\" is called the airspeed.<BR>\n" );
document.write( "It's the average of the 2 groundspeeds.<BR>\n" );
document.write( "= (600 + 530)/2<BR>\n" );
document.write( "= 565 mph<BR>\n" );
document.write( "---------<BR>\n" );
document.write( "The wind speed is the difference:<BR>\n" );
document.write( "600 - 565 = 35 mph\r<BR>\n" );
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