Harry invests £4000 in a savings account for 2 years at a rate of X % interest per annum. At the end of the 2 years, Harry pays tax on the interest at a rate of 25%. After paying tax he gets £121.20 Work out the value of X​

Harry invests 4000 in a savings account for 2 years at a rate of X interest per annum At the end of the 2 years Harry pays tax on the interest at a rate of 25 A class=