document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=712195>Question 712195</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The altitude of an aircraft,h, in miles, is given by<BR>\n" );
document.write( "h=-(100/9)log p/b<BR>\n" );
document.write( "where p= the outside pressure and B= the atmosperic pressure at sea level. Let B=31 inches of Mercury. What is the outside air pressure at a height of 2.7 miles?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #437777 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=437777\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The altitude of an aircraft,h, in miles, is given by<BR>\n" );
document.write( "h=-(100/9)log p/b<BR>\n" );
document.write( "where p= the outside pressure and B= the atmosperic pressure at sea level. Let B=31 inches of Mercury. What is the outside air pressure at a height of 2.7 miles? <BR>\n" );
document.write( "--------<BR>\n" );
document.write( "2.7 = -(100/9)log(p/31)<BR>\n" );
document.write( "log(p/31) = -0.243<BR>\n" );
document.write( "----<BR>\n" );
document.write( "p/31 = 10^-0.243<BR>\n" );
document.write( "p = 31*0.5715<BR>\n" );
document.write( "----<BR>\n" );
document.write( "p = 17.72 (outside air pressure)<BR>\n" );
document.write( "====================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "==================== </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );