document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=901864>Question 901864</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How long will it take $800 to double itself at 9% simple interest? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #546993 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=546993\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How long will it take $800 to double itself at 9% simple interest?<BR>\n" );
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document.write( "A(t) = P(1 + rt)<BR>\n" );
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document.write( "Solve:: 1+rt = 2<BR>\n" );
document.write( "1+ 0.09t = 2<BR>\n" );
document.write( "0.09t = 1<BR>\n" );
document.write( "t = 100/9<BR>\n" );
document.write( "t = 11.11 years<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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