document.write( "Question 235929: A commonly asked question is, “How long will it take to double my money?” At 7% interest rate and continuous compounding, what is the answer? Round your answer to the hundredth's place. \n" ); document.write( "
Algebra.Com's Answer #173700 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A commonly asked question is, “How long will it take to double my money?” At 7% interest rate and continuous compounding, what is the answer? Round your answer to the hundredth's place. \n" ); document.write( "A(t) = Pe^(rt) \n" ); document.write( "---- \n" ); document.write( "If P is doubled you get: \n" ); document.write( "2P = Pe^(rt) \n" ); document.write( "e^(rt) = 2 \n" ); document.write( "--- \n" ); document.write( "Take the natural log of both sides: \n" ); document.write( "rt = ln(2) \n" ); document.write( "t = [ln(2)]/r \n" ); document.write( "t = [ln(2)]/0.07 \n" ); document.write( "t = 9.9 years (time to double the money at 7% interest compouded continuously) \n" ); document.write( "==================================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |