document.write( "Question 249833: How long does it take for an investment to double in value if it is invested at 8% per annum compounded monthly? \n" ); document.write( "
Algebra.Com's Answer #181932 by rfer(16322)\"\" \"About 
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n=ln2/ln(1+.006667)
\n" ); document.write( "n=0.3010/.002887
\n" ); document.write( "n=104.26/12=8.7 yrs
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