document.write( "Question 1178200: What nominal rate of interest compounded quarterly is needed to triple a principle in 9 years? (Round your answer to 2 decimal places)\r
\n" ); document.write( "\n" ); document.write( "A=P(1+r)^t
\n" ); document.write( "4=1(1+r)^9
\n" ); document.write( "4=1+r^9
\n" ); document.write( "4-1=r^9
\n" ); document.write( "3=r^9\r
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\n" ); document.write( "\n" ); document.write( "I saw this formula online: A=P(1+r)^t. I saw that there are similar problems posted on this site, and I see that they use \"log,\" but I can not find an example that shows the complete steps. Also, do you have to use log to solve this?
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Algebra.Com's Answer #807384 by mananth(16946)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "A=P(1+r)^nt\r
\n" ); document.write( "\n" ); document.write( "simplify\r
\n" ); document.write( "\n" ); document.write( "r = n[(A/P)1/nt - 1]\r
\n" ); document.write( "\n" ); document.write( "r = 4 × [(300.00/100.00)1/(4)(9) - 1]
\n" ); document.write( "r = 0.1239496\r
\n" ); document.write( "\n" ); document.write( "=12.39%\r
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