document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1105192>Question 1105192</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The intensity of a radio signal from the radio station varies inversely as the square of the distance from the station. Suppose  intensity is 8000 units at a distance of 2 miles. What will the intensity be at a distance of 12 miles? Round your answer to the nearest unit.<BR>\n" );
document.write( "a.<BR>\n" );
document.write( "205 units<BR>\n" );
document.write( "b.<BR>\n" );
document.write( "222 units<BR>\n" );
document.write( "c.<BR>\n" );
document.write( "248 units<BR>\n" );
document.write( "d.<BR>\n" );
document.write( "186 units<BR>\n" );
document.write( " <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #719925 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=719925\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I=k/d^2<BR>\n" );
document.write( "8000=k/2^2<BR>\n" );
document.write( "k=32000.<BR>\n" );
document.write( "Use k in second part.<BR>\n" );
document.write( "I=32000/12^2=32000/144=222.2 units or 222 <BR>\n" );
document.write( "B. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );