document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=137592>Question 137592</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do i work out a problem when given \r<BR>\n" );
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document.write( "How long will it take for the population of a certain country to double<BR>\n" );
document.write( "if its annual growth rate is 5 percent? \r<BR>\n" );
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document.write( "First I plugged in 5 (for 5%)  Log in my calculatorand the answer was 0.l698970004. <BR>\n" );
document.write( " Do i move the decimal over 2 places to give me 16.989 years or <BR>\n" );
document.write( "rather that it would take 17 years for the population to double. <BR>\n" );
document.write( " I have researched everthing and am unable to come up with any samples on how to work out any problems given just the percent without a population number?  Can you please help me understand how to do this? <BR>\n" );
document.write( "  Is it just a calculator problem? <BR>\n" );
document.write( "Any help would be greatly appreciated. <BR>\n" );
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 #100663 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=100663\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> i=p(1+r)^t<BR>\n" );
document.write( "in this equation (1+r)^t must=2 to double<BR>\n" );
document.write( "the principle.<BR>\n" );
document.write( "(1+.05)^t=2<BR>\n" );
document.write( "1.05^t=2<BR>\n" );
document.write( "[here the 't' value was obtained by the trial & error methoid as my calculator doesn't have the proper function.]<BR>\n" );
document.write( "t=14.207 or it wil take 14.207 years to double your investment @ 5% annually. </SPAN>\n" );
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