document.write( "Question 436823: How long does it take $875 to double if it is invested at 8% compounded monthly? \n" ); document.write( "
Algebra.Com's Answer #302176 by mananth(16946)\"\" \"About 
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Principal P = 875
\n" ); document.write( "Amount= 1750
\n" ); document.write( "years=n
\n" ); document.write( "compounded (t) 12
\n" ); document.write( "Rate = 8 0.01
\n" ); document.write( "Amount =P*((1+r/t))^n*t
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\n" ); document.write( "1750 =875*(1+0.01)^ n*t
\n" ); document.write( "2 = *( 1 + 0.01 )^ n* 12
\n" ); document.write( "ln 2 = 12 n *ln 1.01
\n" ); document.write( " 0.69 = 12* 0.01 *n
\n" ); document.write( " 8.69 = n
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