document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=79940>Question 79940</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An airplane covered 20 miles of its route while decreasing its altitude by 47,000 feet.  Find the slope of the airplane's line of descent.  Round to the nearest hundredth.  [Hint: 1 mi = 5280 feet.]\r<BR>\n" );
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document.write( "Hint:  Should the slope be positive or negative?\r<BR>\n" );
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document.write( "Answer:  The slope of the airplane's descent is ______________<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 #57329 by </B><A HREF=/tutors/aboutme.mpl?userid=vertciel><B>vertciel(183)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=vertciel><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=57329\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hint: The slope should be negative, because the airplane is descending. I assume this is a fighter aircraft because this pilot is popping a lot of passengers' eardrums. \r<BR>\n" );
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document.write( "If you draw a quick sketch of this problem, you'll see that the airplane starts at (0, 47000) and descends to (-94,000, 0).\r<BR>\n" );
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document.write( "Therefore, slope = rise/run\r<BR>\n" );
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document.write( "                 = (47000 - 0)/(-94000 - 0)\r<BR>\n" );
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document.write( "                 = -47/94 or -0.5 \r<BR>\n" );
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