document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=449068>Question 449068</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Practice Test Question.\r<BR>\n" );
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document.write( "The half life of aspirin in a person's bloodstream is about 15 minutes. If a person's bloodstream contains 256 milligrams of aspirin, how much of that aspirin will remain after 60 minutes? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #308984 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=308984\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The half life of aspirin in a person's bloodstream is about 15 minutes.<BR>\n" );
document.write( " If a person's bloodstream contains 256 milligrams of aspirin, how much of that aspirin will remain after 60 minutes?<BR>\n" );
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document.write( "The decay formula<BR>\n" );
document.write( "A = Ao*2^(-t/h)<BR>\n" );
document.write( "where:<BR>\n" );
document.write( "A = resulting amt after t minutes<BR>\n" );
document.write( "Ao = initial amt<BR>\n" );
document.write( "t = time<BR>\n" );
document.write( "h = half life of substance<BR>\n" );
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document.write( "A = 256*2^(-60/15)<BR>\n" );
document.write( "A = 25y*2^-4<BR>\n" );
document.write( "A = 256*.0625<BR>\n" );
document.write( "A = 16 mg remain after 60 min </SPAN>\n" );
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