document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1128725>Question 1128725</A>: <I><SPAN STYLE=\"word-break: break-all;\"> For the following exercise, use the compound interest formula, A(t) = P(1 + r/n)^nt , where money is measured in dollars. \r<BR>\n" );
document.write( "\n" );
document.write( "After a certain number of years, the value of an investment account is represented by the expression <BR>\n" );
document.write( "10,200(1 + 0.05/12)^ 120.<BR>\n" );
document.write( " <BR>\n" );
document.write( "What was the initial deposit made to the account? \r<BR>\n" );
document.write( "\n" );
document.write( "I'm confused as to how to solve the equation. Am I suppose to solve the second equation and then multiply it by 10, 200? or solve it a different way?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #745212 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=745212\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> It's not an equation unless you see an \"=\" sign.<BR>\n" );
document.write( "You can make an equation from it and say:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+A%28t%29+=+10200%2A%28+1+%2B+%28.05%2F12%29%29%5E120+ ALIGN=MIDDLE  ALT=\"+A%28t%29+=+10200%2A%28+1+%2B+%28.05%2F12%29%29%5E120+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Initially, no time has gone by yet, so <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t=0+ ALIGN=MIDDLE  ALT=\"+t=0+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+n%2At+ ALIGN=MIDDLE  ALT=\"+n%2At+\"   DISABLED_style= \"max-width:90%; height:auto;\" > in the formula is zero. Anything<BR>\n" );
document.write( "to the zero power is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1+ ALIGN=MIDDLE  ALT=\"+1+\"   DISABLED_style= \"max-width:90%; height:auto;\" >, so I can say:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+A%280%29+=+10200%2A%28+1+%2B+%28+.05%2F12+%29%29%5E0+ ALIGN=MIDDLE  ALT=\"+A%280%29+=+10200%2A%28+1+%2B+%28+.05%2F12+%29%29%5E0+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+A%280%29+=+10200%2A1+ ALIGN=MIDDLE  ALT=\"+A%280%29+=+10200%2A1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So, the initial amount is $10,200<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );