document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1139426>Question 1139426</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A patient is injected with 100 units of a drug. The amount of drug present in the patient's body is modelled by d=De^-kt. \r<BR>\n" );
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document.write( "If it takes 4 hours for the drug to reduce by 90%, find D and k and the rate of decay after 10 minutes?\r<BR>\n" );
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document.write( "Thankyou </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #759895 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=759895\">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=90=100e%5E%28-4k%29 ALIGN=MIDDLE  ALT=\"90=100e%5E%28-4k%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.9=e%5E%28-4k%29 ALIGN=MIDDLE  ALT=\"0.9=e%5E%28-4k%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=ln%280.9%29=-4k ALIGN=MIDDLE  ALT=\"ln%280.9%29=-4k\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k=-ln%280.9%29%2F4 ALIGN=MIDDLE  ALT=\"k=-ln%280.9%29%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k=0.02634 ALIGN=MIDDLE  ALT=\"k=0.02634\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "MODEL:  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d=De%5E%28-0.02634t%29 ALIGN=MIDDLE  ALT=\"d=De%5E%28-0.02634t%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >  or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d=100e%5E%28-0.02634t%29 ALIGN=MIDDLE  ALT=\"d=100e%5E%28-0.02634t%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >. </SPAN>\n" );
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