document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1032586>Question 1032586</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Sandy is tracking the performance of one of Atlantic Cycles' savings accounts. $10,000 was deposited into this account which earns 2.25% interest compounded continuously. How many years will it take until the account balance doubles if no withdrawals or additional deposits are made? \r<BR>\n" );
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document.write( "I  set up problem as: $20,000= $10,000*2.718281828459(.0225x). I got 32 years as answer but this was wrong. Please help.  Thank you. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #647260 by </B><A HREF=/tutors/aboutme.mpl?userid=LinnW><B>LinnW(1048)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=LinnW><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=LinnW><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=647260\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> It should be $20,000= $10,000*2.718281828459^(.0225x)\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A+=+P%2Ae%5E%28rt%29 ALIGN=MIDDLE  ALT=\"A+=+P%2Ae%5E%28rt%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20000+=+10000%2Ae%5E%28%280.0225%29x%29 ALIGN=MIDDLE  ALT=\"20000+=+10000%2Ae%5E%28%280.0225%29x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Using www.wolframalpha.com for the calculation,<BR>\n" );
document.write( "we get x = 30.8065<BR>\n" );
document.write( "Using wolfram again for 10000*2.718281828459^(.0225*30.8065)<BR>\n" );
document.write( "we get 19999.98138881<BR>\n" );
document.write( "Finally lets check 20000 = 10000*2.718281828459^(.0225*x)<BR>\n" );
document.write( "This also produces x = 30.8065 as well<BR>\n" );
document.write( "I hope this helps.\r<BR>\n" );
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