document.write( "Question 420664: If Marcelle deposits $250,000 into a mutual fund which pay an annual interest rate of 5% compounded continuously. Assuming that there are no further deposits and there were no withdrawals, how long must she wait before her investment reaches $1 million? \n" ); document.write( "
Algebra.Com's Answer #293856 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! If Marcelle deposits $250,000 into a mutual fund which pay an annual interest rate of 5% compounded continuously. Assuming that there are no further deposits and there were no withdrawals, how long must she wait before her investment reaches $1 million? \n" ); document.write( "---------------------------- \n" ); document.write( "A(t) = Ao*e^(rt) \n" ); document.write( "1,000,000 = 250,000*e^(0.05t) \n" ); document.write( "e^(0.05t) = 4 \n" ); document.write( "---- \n" ); document.write( "Take the natural log of both sides: \n" ); document.write( "0.05t = 4 \n" ); document.write( "--- \n" ); document.write( "t = 80 years \n" ); document.write( "===================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "=============== \n" ); document.write( " |