document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=221383>Question 221383</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How long will it take P dollars to quadruple itself at 14% simple interest? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #166057 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=166057\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=P%2BPrt ALIGN=MIDDLE  ALT=\"A=P%2BPrt\"   DISABLED_style= \"max-width:90%; height:auto;\" > Start with the <a  rel=nofollow HREF=http://www.mathwords.com/s/simple_interest.htm>simple interest formula</a>.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4P=P%2BP%2A0.14%2At ALIGN=MIDDLE  ALT=\"4P=P%2BP%2A0.14%2At\"   DISABLED_style= \"max-width:90%; height:auto;\" > Plug in <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=4P ALIGN=MIDDLE  ALT=\"A=4P\"   DISABLED_style= \"max-width:90%; height:auto;\" > (since we want the investment of P to quadruple) and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r=0.14 ALIGN=MIDDLE  ALT=\"r=0.14\"   DISABLED_style= \"max-width:90%; height:auto;\" > (the decimal equivalent of 14%).\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4P=P%281%2B0.14%2At%29 ALIGN=MIDDLE  ALT=\"4P=P%281%2B0.14%2At%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Factor out the GCF 'P'\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4=1%2B0.14%2At ALIGN=MIDDLE  ALT=\"4=1%2B0.14%2At\"   DISABLED_style= \"max-width:90%; height:auto;\" > Divide both sides by P.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4-1=0.14%2At ALIGN=MIDDLE  ALT=\"4-1=0.14%2At\"   DISABLED_style= \"max-width:90%; height:auto;\" > Subtract <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1 ALIGN=MIDDLE  ALT=\"1\"   DISABLED_style= \"max-width:90%; height:auto;\" > from both sides.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3=0.14%2At ALIGN=MIDDLE  ALT=\"3=0.14%2At\"   DISABLED_style= \"max-width:90%; height:auto;\" > Combine like terms.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%2F0.14=t ALIGN=MIDDLE  ALT=\"3%2F0.14=t\"   DISABLED_style= \"max-width:90%; height:auto;\" > Divide both sides by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.14 ALIGN=MIDDLE  ALT=\"0.14\"   DISABLED_style= \"max-width:90%; height:auto;\" > to isolate 't'.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=21.4285714285714=t ALIGN=MIDDLE  ALT=\"21.4285714285714=t\"   DISABLED_style= \"max-width:90%; height:auto;\" > Divide.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=21.4285714285714 ALIGN=MIDDLE  ALT=\"t=21.4285714285714\"   DISABLED_style= \"max-width:90%; height:auto;\" > Rearrange the equation.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=21.43 ALIGN=MIDDLE  ALT=\"t=21.43\"   DISABLED_style= \"max-width:90%; height:auto;\" > Round to the nearest hundredth.\r<BR>\n" );
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document.write( "So it will take about 21.43 years for an investment to quadruple with an interest rate of 14% (using simple interest).<BR>\n" );
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