document.write( "Question 345408: How long will it take money to double if it is invested at 21% compounded continuously? \"\"invested at 33% compounded continuously? \n" ); document.write( "

Algebra.Com's Answer #247017 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"2P=Pe%5E%280.21t%29\"$
\n" ); document.write( " $\"e%5E%280.21t%29=2\"$
\n" ); document.write( " $\"0.21t=ln%282%29\"$
\n" ); document.write( " $\"t=ln%282%29%2F0.21\"$ or approximately,
\n" ); document.write( " $\"t=3.3\"$ years
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\n" ); document.write( " $\"0.33t=ln%282%29\"$
\n" ); document.write( " $\"t=ln%282%29%2F0.33\"$
\n" ); document.write( " $\"t=2.1\"$ years \n" ); document.write( "

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