document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=136965>Question 136965</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0812388003/algebrahomeworkh>Algebra 2 and Trigonometry</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Can you please help me solve this word problem?\r<BR>\n" );
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document.write( "Radium has a half-life of 1660 years. If the initial amount of radium is 200 grams, how much will remain in 500 years?\r<BR>\n" );
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document.write( "I was so lost on this problem and any help would be greatly appreciated.<BR>\n" );
document.write( "Thanks! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #100243 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=100243\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the amount remaining (A) is equal to the initial amount (I) reduced by the number of half-lives that have elapsed<BR>\n" );
document.write( "__ (1/2)^(t/h), where t is the time and h is the length of a half-life\r<BR>\n" );
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document.write( "A=I(1/2)^(t/h) __ A=200(1/2)^(500/1660) </SPAN>\n" );
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