document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1056667>Question 1056667</A>: <I><SPAN STYLE=\"word-break: break-all;\"> You've received a tip that Mastermind plans to poison the Starling City's water supply with a new compound.<BR>\n" );
document.write( "Scientists analyze the compound and discover that--over time--it'll become less toxic over time using this formula:<BR>\n" );
document.write( "P = P0e-0.15&#8901;t<BR>\n" );
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document.write( "What is the half-life of the compound's toxicity should it get in the water supply?\r<BR>\n" );
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document.write( "Number<BR>\n" );
document.write( " days<BR>\n" );
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document.write( "Hint: half-life is when the current P value is half of the starting value, or P0 .<BR>\n" );
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document.write( "P=<BR>\n" );
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document.write( "P0=<BR>\n" );
document.write( "k=<BR>\n" );
document.write( "t =<BR>\n" );
document.write( "P0ekt<BR>\n" );
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document.write( "Initial population<BR>\n" );
document.write( "constant of growth<BR>\n" );
document.write( "time passed<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #671752 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</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=671752\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <s>P=P0e-0.15t</s>\r<BR>\n" );
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document.write( "P=P[o]e^(-0.15t)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P=P%5Bo%5De%5E%28-0.15t%29 ALIGN=MIDDLE  ALT=\"P=P%5Bo%5De%5E%28-0.15t%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "FIND HALF-LIFE.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F2=1%2Ae%5E%28-.15t%29 ALIGN=MIDDLE  ALT=\"1%2F2=1%2Ae%5E%28-.15t%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%281%2F2%29=ln%281%29-0.15t ALIGN=MIDDLE  ALT=\"ln%281%2F2%29=ln%281%29-0.15t\"   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%282%29=0-%28-0.15t%29 ALIGN=MIDDLE  ALT=\"ln%282%29=0-%28-0.15t%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%282%29=0.15t ALIGN=MIDDLE  ALT=\"ln%282%29=0.15t\"   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=highlight%28t%5Bhalf%5D=ln%282%29%2F0.15%29 ALIGN=MIDDLE  ALT=\"highlight%28t%5Bhalf%5D=ln%282%29%2F0.15%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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