document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=60735>Question 60735</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0534400329/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> What rate of interest to the nearest tenth of a percent compounded quarterly is needed for an investment of $1500 to grow to $2700 in 10 years?\r<BR>\n" );
document.write( "\n" );
document.write( "I am not sure which formula to use: A=p(1+r)^t or A=P(1+r/4)^4t.  I can not get either formula to work out correctly. Thank you for your help. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #41734 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=41734\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hopefully, I got it right. I get 5.96% for answer<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=P%281%2Br%2F4%29%5E%284t%29 ALIGN=MIDDLE  ALT=\"A=P%281%2Br%2F4%29%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=2700+=+1500%281+%2B+%28r%2F4%29%29%5E40 ALIGN=MIDDLE  ALT=\"2700+=+1500%281+%2B+%28r%2F4%29%29%5E40\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2700%2F1500+=+%281+%2B+%28r%2F4%29%29%5E40 ALIGN=MIDDLE  ALT=\"2700%2F1500+=+%281+%2B+%28r%2F4%29%29%5E40\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1.8+=+%281+%2B+%28r%2F4%29%29%5E40 ALIGN=MIDDLE  ALT=\"1.8+=+%281+%2B+%28r%2F4%29%29%5E40\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "take the log base 10 of both sides<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log%2810%2C1.8%29+=+40%2Alog%2810%2C%281+%2B+%28r%2F4%29%29%29 ALIGN=MIDDLE  ALT=\"log%2810%2C1.8%29+=+40%2Alog%2810%2C%281+%2B+%28r%2F4%29%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.2553+=++40%2Alog%2810%2C%281+%2B+%28r%2F4%29%29%29 ALIGN=MIDDLE  ALT=\".2553+=++40%2Alog%2810%2C%281+%2B+%28r%2F4%29%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.2553+%2F+40+=+log%2810%2C+%28%284%2Br%29%2F4%29%29 ALIGN=MIDDLE  ALT=\".2553+%2F+40+=+log%2810%2C+%28%284%2Br%29%2F4%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.2553+%2F+40+=+log%2810%2C%284%2Br%29%29+-+log%2810%2C4%29 ALIGN=MIDDLE  ALT=\".2553+%2F+40+=+log%2810%2C%284%2Br%29%29+-+log%2810%2C4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.00638+=+log%2810%2C%28r%2B4%29%29+-+.6021 ALIGN=MIDDLE  ALT=\".00638+=+log%2810%2C%28r%2B4%29%29+-+.6021\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.60848+=+log%2810%2C%28r%2B4%29%29 ALIGN=MIDDLE  ALT=\".60848+=+log%2810%2C%28r%2B4%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "this says<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10%5E.60848+=+r+%2B+4 ALIGN=MIDDLE  ALT=\"10%5E.60848+=+r+%2B+4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4.05957+=+r+%2B+4 ALIGN=MIDDLE  ALT=\"4.05957+=+r+%2B+4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r+=+.0596 ALIGN=MIDDLE  ALT=\"r+=+.0596\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "so, I get 5.96% for the rate. Could have made a mistake, though </SPAN>\n" );
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