Suppose an investment offers to double your money in 12 months. What rate of return per quarter are you being offered?

Answer 1

let quarterly rate be i
1(1+i)^4 = 2
1+i = 2^(1/4)
1+i = 1.189207
i = .189207
annual rate compounded quarterly is
.7568 or 75.68%

(I want in !)