document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=979323>Question 979323</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello<BR>\n" );
document.write( "The lessons is about extracting the roots so i don't know if in the right one <BR>\n" );
document.write( "But anyway hope you can help me solve this problem :) <BR>\n" );
document.write( "Thank you!\r<BR>\n" );
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document.write( "When the amount of (p) is invested at the annual interest rate (r) compounded for (t) years, it will grow to an amount (a) given by the formula<BR>\n" );
document.write( "A=P (1+r)^t\r<BR>\n" );
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document.write( "1find the interest rate if php 30,000 compounded annually grows to php 33,765 in four years?<BR>\n" );
document.write( "2 find the interest rate if php 50,000  compounded annually grows to php 55,204 in five years?\r<BR>\n" );
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document.write( "Hope anyone can solve this :) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #600597 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=600597\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> When the amount of (p) is invested at the annual interest rate (r) compounded for (t) years, it will grow to an amount (a) given by the formula<BR>\n" );
document.write( "A=P (1+r)^t\r<BR>\n" );
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document.write( "1find the interest rate if php 30,000 compounded annually grows to php 33,765 in four years?<BR>\n" );
document.write( "33765 = 10000*(1+r)^4<BR>\n" );
document.write( "(1+r)^4 = 3.3765<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2Br+=+root%284%2C3.3765%29 ALIGN=MIDDLE  ALT=\"1%2Br+=+root%284%2C3.3765%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "1+r =~ 1.35555<BR>\n" );
document.write( "r = 0.3555 = 35.55% per year<BR>\n" );
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document.write( "2 find the interest rate if php 50,000  compounded annually grows to php 55,204 in five years?<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Same problem, different numbers.<BR>\n" );
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