The formula r equals the square root of A over P minus 1 gives the interest rate r, expressed as a decimal that will allow principal P to grow into amount A in two years, if the interest is compounded
annually. Suppose you have $425 to deposit into an account. Find the interest rate you would need to have $470 in the account at the end of the second year.
0.052%
105%
O 5.2%
5.4%