document.write( "Question 1065792: You invest an initial $100 in an account that has an annual interest rate of 3%, compounded quarterly. How much money will you have in the account after 20 years? Round your answer to the nearest whole number \n" ); document.write( "
Algebra.Com's Answer #681019 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! T=100(1+(.03/4))^80, for there are 80 separate compoundings. \n" ); document.write( "Round only at the end \n" ); document.write( "100*(1.0075)^80=$181.80 \n" ); document.write( "Rough check, rule of 70 says money doubles in 70/3 years or about 23 years. This is close to doubling but not quite, as it should be. \n" ); document.write( " |