document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=515272>Question 515272</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello my name is Suzy. I have an algebra word problem that I am having trouble with. I would appreciate any help I can get.\r<BR>\n" );
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document.write( "The intensity (I) of light from a light bulb varies inversly as the square of the distance (d) from the light bulb. Suppose (I) is 160w/m^2 when the distance is 4m. How much farther would it be to a point where the intensity is 90w/m^2?\r<BR>\n" );
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document.write( "I know that since it is an inverse problem I use the format y=k/x and if I use the format for the problem I would use I=k/d^2.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #343884 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=343884\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+I+=+k%2A%281%2Fd%5E2%29+ ALIGN=MIDDLE  ALT=\"+I+=+k%2A%281%2Fd%5E2%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Find <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k ALIGN=MIDDLE  ALT=\"k\"   DISABLED_style= \"max-width:90%; height:auto;\" > using the given data:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+I+=+160+ ALIGN=MIDDLE  ALT=\"+I+=+160+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=+4+ ALIGN=MIDDLE  ALT=\"+d+=+4+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+160+=+k%2A%28+1%2F16%29+ ALIGN=MIDDLE  ALT=\"+160+=+k%2A%28+1%2F16%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+k+=+2560+ ALIGN=MIDDLE  ALT=\"+k+=+2560+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "------------<BR>\n" );
document.write( "If <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+I+=+90+ ALIGN=MIDDLE  ALT=\"+I+=+90+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+90+=+2560%2A%281%2Fd%5E2%29+ ALIGN=MIDDLE  ALT=\"+90+=+2560%2A%281%2Fd%5E2%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d%5E2+=+2560%2F90+ ALIGN=MIDDLE  ALT=\"+d%5E2+=+2560%2F90+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d%5E2+=+256%2F9+ ALIGN=MIDDLE  ALT=\"+d%5E2+=+256%2F9+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=+16%2F3+ ALIGN=MIDDLE  ALT=\"+d+=+16%2F3+\"   DISABLED_style= \"max-width:90%; height:auto;\" > m<BR>\n" );
document.write( "When <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+I+=+160+ ALIGN=MIDDLE  ALT=\"+I+=+160+\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d+=+4+ ALIGN=MIDDLE  ALT=\"d+=+4+\"   DISABLED_style= \"max-width:90%; height:auto;\" >,<BR>\n" );
document.write( "or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+12%2F3+ ALIGN=MIDDLE  ALT=\"+12%2F3+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The point where <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+I+=+90+ ALIGN=MIDDLE  ALT=\"+I+=+90+\"   DISABLED_style= \"max-width:90%; height:auto;\" > is<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+16%2F3+-+12%2F3+=+4%2F3+ ALIGN=MIDDLE  ALT=\"+16%2F3+-+12%2F3+=+4%2F3+\"   DISABLED_style= \"max-width:90%; height:auto;\" > m further </SPAN>\n" );
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