document.write( "Question 949839: If you wish to double your investment in 8 years, what continuous compound interest rate must you obtain for your investment?\r
\n" );
document.write( "\n" );
document.write( "So I'm using the rule of 69.3 instead of the rule of 72 because it's more accurate. \r
\n" );
document.write( "\n" );
document.write( "69.3147/8 = 8.66\r
\n" );
document.write( "\n" );
document.write( "8.66%\r
\n" );
document.write( "\n" );
document.write( "Is this correct? Thanks. \n" );
document.write( "
Algebra.Com's Answer #579899 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! If you wish to double your investment in 8 years, what continuous compound interest rate must you obtain for your investment? \n" ); document.write( "=============== \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "ln(2) = r*8 \n" ); document.write( "r = ln(2)/8 \n" ); document.write( "r =~ 0.08664 = 8.664% \n" ); document.write( " |