document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1208725>Question 1208725</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The loudness of a stereo speaker, measured in decibels, varies inversely as the square of the distance from the speaker. When you are 8 feet from the speaker, the loudness is 28 decibels. What is the loudness when you’re 4 feet from the speaker? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #847132 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13209)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=847132\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "A somewhat informal solution....  I will leave it to other tutors to provide a more formal solution if they want to.<br><BR>\n" );
document.write( "The ratio of distances is 1:2,<BR>\n" );
document.write( "so the square of the ratio of distance is 1:4,<BR>\n" );
document.write( "so, because it is an inverse variation, the ratio of sound levels is 4:1<br><BR>\n" );
document.write( "(28)*4 = 112<br><BR>\n" );
document.write( "ANSWER: 112 db<br><BR>\n" );
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