document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=860058>Question 860058</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A = P 8500(1 + .09)-12<BR>\n" );
document.write( "P = 8500(1.09)-12<BR>\n" );
document.write( "P = 8500/(1.09)-12\r<BR>\n" );
document.write( "\n" );
document.write( "I am trying to determine how much principal I need to invest today, to reach $8500 in 12years at 9% compounded interests. I can't seem to figure out the principal that I need - thank you!  \r<BR>\n" );
document.write( "\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 #518113 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=518113\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Principal P =	x												<BR>\n" );
document.write( "Amount=	8500												<BR>\n" );
document.write( "years=n	12												<BR>\n" );
document.write( "compounded	1	times a year											<BR>\n" );
document.write( "Rate =	9.00			0.090									<BR>\n" );
document.write( "Amount =	P*((n+r)/n)^n												<BR>\n" );
document.write( "													<BR>\n" );
document.write( "8500	=	x	*(	1	+	r/n	)^	n					<BR>\n" );
document.write( "													<BR>\n" );
document.write( "													<BR>\n" );
document.write( "8500	=	P	(	1	+	0.090	/	1	)	^	1	*	12<BR>\n" );
document.write( "													<BR>\n" );
document.write( "8500	=	P(	1.09000	)^	12								<BR>\n" );
document.write( "													<BR>\n" );
document.write( "8500	/(	1.09	)^	12	=	P							<BR>\n" );
document.write( "													<BR>\n" );
document.write( "P=	$3022.05												<BR>\n" );
document.write( "													<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );