document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=700193>Question 700193</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If at the end of 13 years, I have $836 in my account after investing it at 3.11% per year, how much money did I invest? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #431713 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=431713\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If at the end of 13 years, I have $836 in my account after investing it at 3.11% per year, how much money did I invest?<BR>\n" );
document.write( "--------<BR>\n" );
document.write( "Simple interest problem:<BR>\n" );
document.write( "A(t) = P(1 + rt)<BR>\n" );
document.write( "836 = P(1 + 0.0311*3)<BR>\n" );
document.write( "---<BR>\n" );
document.write( "836 = P(1.0933)<BR>\n" );
document.write( "Principal = 836/1.0933 = $764.66<BR>\n" );
document.write( "==================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "================ </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );