document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1035676>Question 1035676</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me and show work. Thanks\r<BR>\n" );
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document.write( "$800 is deposited in an account that pays 9% annually interest compounded annually. Find the balance after 4 years.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #650331 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=650331\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> We will use this formula <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A+=+P%2A%281%2Br%2Fn%29%5E%28n%2At%29 ALIGN=MIDDLE  ALT=\"A+=+P%2A%281%2Br%2Fn%29%5E%28n%2At%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > where...<BR>\n" );
document.write( "A = final amount in account after t years<BR>\n" );
document.write( "P = principle (amount deposited)<BR>\n" );
document.write( "r = interest rate in decimal form<BR>\n" );
document.write( "n = compound frequency<BR>\n" );
document.write( "t = time in years\r<BR>\n" );
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document.write( "In this case, <BR>\n" );
document.write( "A = Unknown. We're solving for this<BR>\n" );
document.write( "P = 800 dollars is deposited<BR>\n" );
document.write( "r = 0.09 (decimal form of 9%)<BR>\n" );
document.write( "n = 1 (we're compounding annually, so 1 time per year)<BR>\n" );
document.write( "t = 4 years\r<BR>\n" );
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document.write( "So we will plug P = 800, r = 0.09, n = 1 and t = 4 into the formula above to get...\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A+=+800%2A%281%2B0.09%2F1%29%5E%284%29 ALIGN=MIDDLE  ALT=\"A+=+800%2A%281%2B0.09%2F1%29%5E%284%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A+=+800%2A%281%2B0.09%29%5E%284%29 ALIGN=MIDDLE  ALT=\"A+=+800%2A%281%2B0.09%29%5E%284%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A+=+800%2A1.41158161 ALIGN=MIDDLE  ALT=\"A+=+800%2A1.41158161\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A+=+1129.265288 ALIGN=MIDDLE  ALT=\"A+=+1129.265288\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A+=+1129.27 ALIGN=MIDDLE  ALT=\"A+=+1129.27\"   DISABLED_style= \"max-width:90%; height:auto;\" > Round to the nearest penny\r<BR>\n" );
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document.write( "The balance after 4 years is <font color=red>$1129.27</font>\r<BR>\n" );
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document.write( "Side Note: this is assuming that no money was withdrawn or that no extra money was deposited. The account is not touched for those 4 years. Also, this is assuming the interest rate does not change over the 4 years.  </SPAN>\n" );
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