When 20 % of itself added into a number it gives 102, find the number?

A) 85

B) 90

C) 75

D) 85

let the number be x

x + 20% of x =102

x +(20x/100) =102

        x +0.2x =102

            1.2x =102

                x =102/1.2

               x = 85