document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1129573>Question 1129573</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A doctor prescribes 100 milligrams of a therapeutic drug that decays by about 20% each hour. Write an exponential model representing the amount A in milligrams of the drug remaining in the patient's system after t hours. <BR>\n" );
document.write( "A(t) =\r<BR>\n" );
document.write( "\n" );
document.write( "Use the formula to find the amount of the drug that would remain in the patient's system after 3 hours. Round to the nearest milligram. <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 #746136 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=746136\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This would be 100*(0.8)^t\r<BR>\n" );
document.write( "\n" );
document.write( "after 3 hours, it would be 100*0.512=51.2 mg rounded to 51 mg </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );