document.write( "Question 1128047: The sum of PHP 26,000 was deposited in a fund earning interest at 8% per annum
\n" ); document.write( "compounded annually. What was the amount in the fund at the end of 3 years?
\n" ); document.write( " How long will it take money to triple itself if invested at 8% compounded annually?
\n" ); document.write( " please help me Im really bad at word problems
\n" ); document.write( " i used the formula f = P(1 + i/12)^2n for compounded annually but the answer is diffrent from what i expected.
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Algebra.Com's Answer #744510 by ikleyn(52786)\"\" \"About 
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\n" ); document.write( "1.   What was the amount in the fund at the end of 3 years?\r
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document.write( "    F = \"26000%2A%281%2B0.08%29%5E3\" = \"26000%2A1.08%5E3\".\r\n" );
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\n" ); document.write( "\n" ); document.write( "2.   How long will it take money to triple itself if invested at 8% compounded annually?\r
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document.write( "    3*26000 = \"26000%2A1.08%5En\"  ====>\r\n" );
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document.write( "    3 = \"1.08%5En\"\r\n" );
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document.write( "    log(3) = n*log(1.08)\r\n" );
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document.write( "    n = \"log%28%283%29%29%2Flog%28%281.08%29%29\" = \"0.477%2F0.0334\" = 14.27 years.\r\n" );
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document.write( "    Answer.  15 years is enough.\r\n" );
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