document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1054609>Question 1054609</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How would you solve the questions:\r<BR>\n" );
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document.write( "How long will it take for $1400 dollars to grow to $11,900 at an interest rate of 2.3% if the interested is compounded quarterly?  I am taking the amount and dividing it by the initial investment. My next step has been to plug the following into my TI 84 calculator:\r<BR>\n" );
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document.write( "log(1+.023)8.5\r<BR>\n" );
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document.write( "Can you tell me what I am doing wrong? I get 8.6 years but the correct answer should be 20.65 years. \r<BR>\n" );
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document.write( "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 #669814 by </B><A HREF=/tutors/aboutme.mpl?userid=MathTherapy><B>MathTherapy(10552)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathTherapy><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=MathTherapy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=669814\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "How would you solve the questions:\r<BR>\n" );
document.write( "\n" );
document.write( "How long will it take for $1400 dollars to grow to $11,900 at an interest rate of 2.3% if the interested is compounded quarterly?  I am taking the amount and dividing it by the initial investment. My next step has been to plug the following into my TI 84 calculator:\r<BR>\n" );
document.write( "\n" );
document.write( "log(1+.023)8.5\r<BR>\n" );
document.write( "\n" );
document.write( "Can you tell me what I am doing wrong? I get 8.6 years but the correct answer should be 20.65 years. \r<BR>\n" );
document.write( "\n" );
document.write( "Thank you<BR>\n" );
document.write( "<PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">It CANNOT be 20.65 years. That's IMPOSSIBLE! It's just too short a time!<BR>\n" );
document.write( "You must be either looking at the wrong answer or failed to include the correct figures.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A+=+P%281+%2B+i%2Fm%29%5E%28mt%29 ALIGN=MIDDLE  ALT=\"A+=+P%281+%2B+i%2Fm%29%5E%28mt%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%22%2411%2C900%22+=+%22%241%2C400%22%281+%2B+.023%2F4%29%5E%284t%29 ALIGN=MIDDLE  ALT=\"%22%2411%2C900%22+=+%22%241%2C400%22%281+%2B+.023%2F4%29%5E%284t%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > ------ Substituting $11,900 for A, $1,400 for P, .023 for i, and 4 (quarterly) for m<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%22%2411%2C900%22%2F%22%241%2C400%22+=+1.00575%5E%284t%29 ALIGN=MIDDLE  ALT=\"%22%2411%2C900%22%2F%22%241%2C400%22+=+1.00575%5E%284t%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > ------ Dividing both sides by $1,400, and simplifying <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1+%2B+.023%2F4 ALIGN=MIDDLE  ALT=\"1+%2B+.023%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8.5+=+1.00575%5E%284t%29 ALIGN=MIDDLE  ALT=\"8.5+=+1.00575%5E%284t%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4t+=+log+%281.00575%2C+8.5%29 ALIGN=MIDDLE  ALT=\"4t+=+log+%281.00575%2C+8.5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > ------- Converting to LOGARITHMIC form<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4t+=+log+%288.5%29%2Flog+%281.00575%29 ALIGN=MIDDLE  ALT=\"4t+=+log+%288.5%29%2Flog+%281.00575%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > ------ Applying change of base<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28matrix%281%2C16%2C+t%2C+or%2C+time%2C+%22=%22%2C+%28log+%288.5%29%2Flog+%281.00575%29%29%2F4%2C+or%2C+log+%288.5%29%2Flog+%281.00575%29%2C+%22%F7%22%2C+4%2F1%2C+or%2C+log+%288.5%29%2Flog+%281.00575%29%2C+%22%2A%22%2C+1%2F4%2C++%22=%22%2C+93.31361%2C+years%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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