document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1040382>Question 1040382</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A particular pain relieving medicine has a decay rate of 16 % per hour. A patient was given a dose of the medicine 7 hours ago and there is currently 66 milligrams of the medicine in the patients bloodstream.\r<BR>\n" );
document.write( "\n" );
document.write( "What was the original dose of the medicine? _________ milligrams\r<BR>\n" );
document.write( "\n" );
document.write( "How long will the patient need to wait for there to be less than 25 % of the original dose of the medicine left in their bloodstream? \r<BR>\n" );
document.write( "\n" );
document.write( "Express your answer as a decimal to the nearest tenth of an hour. _______hours  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #655206 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=655206\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+ ALIGN=MIDDLE  ALT=\"+d+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = the original dose of medicine<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+66+=++d%2A%28+1+-+.16+%29%5E7+ ALIGN=MIDDLE  ALT=\"+66+=++d%2A%28+1+-+.16+%29%5E7+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+66+=+d%2A.84%5E7+ ALIGN=MIDDLE  ALT=\"+66+=+d%2A.84%5E7+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+66+=+.2951d+ ALIGN=MIDDLE  ALT=\"+66+=+.2951d+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=+223.66+ ALIGN=MIDDLE  ALT=\"+d+=+223.66+\"   DISABLED_style= \"max-width:90%; height:auto;\" > mg original dose<BR>\n" );
document.write( "-------------------------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+223.66%2F4+=+223.66%2A.84%5Et+ ALIGN=MIDDLE  ALT=\"+223.66%2F4+=+223.66%2A.84%5Et+\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.84%5Et+=+1%2F4+ ALIGN=MIDDLE  ALT=\"+.84%5Et+=+1%2F4+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Take the log of both side<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t%2Alog%28%28+.84+%29%29+=+log%28%28+.25+%29%29+ ALIGN=MIDDLE  ALT=\"+t%2Alog%28%28+.84+%29%29+=+log%28%28+.25+%29%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+-.07572t+=+-.6021+ ALIGN=MIDDLE  ALT=\"+-.07572t+=+-.6021+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+=+7.9511+ ALIGN=MIDDLE  ALT=\"+t+=+7.9511+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "In 8 hrs less than 25% of the original dose will<BR>\n" );
document.write( "be in the bloodstream<BR>\n" );
document.write( "----------------------<BR>\n" );
document.write( "You might want a 2nd opinion on these, also </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );