document.write( "Question 1155375: How long does it take for an investment to double in value if it is invested at 10​% compounded monthly \n" ); document.write( "
Algebra.Com's Answer #777983 by ikleyn(52777)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "In this problem,  as in  ANY  OTHER  discretely compounding problem,  the answer can be\r
\n" ); document.write( "\n" ); document.write( "ONLY  integer number of compounding periods.\r
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\n" ); document.write( "\n" ); document.write( "In this case,  the answer is  7  years,  which is  84  months  (84  compounding periods).\r
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\n" ); document.write( "\n" ); document.write( "And it is  THE  EXACT  answer to this problem - not an estimate or rounding.\r
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\n" ); document.write( "\n" ); document.write( "Again :   the  EXACT  and uniquely correct answer is  84  months = 7  years.\r
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