Ana is thinking about putting $200 in a savings account that earns 4% interest compounded semiannually. She wants to keep that money in the account for 2 years. Which of the formulas below can help her calculate how much money she will have at the end of the 2 years?
Compound interest formula: A = P ( 1 + r/n ) ^(n t) In this case: A = $200 * ( 1 + 0.04/2 )^(2*2) = = $200 ( 1.02)^4 = = $200 * 1.08243 = $216.49 Answer: At the end of the 2 years she will have $216.49.