If P dollars is invested at r rate of interest compounded anually t years, then the amount of money, A, accummulated at the end of t years is given

If P dollars is invested at r rate of interest compounded anually t years, then the amount of money, A, accummulated at the end of t years is given by the formula A = P (1 + r)t Barbara invested $150 at a certain rate of interest compounded anually for two years. If the accumulated value at the end of two years is $175, find the rate of interest