Answer :
42.5% of what = 20.57
42.5% of x = 20.57
(42.5/100)*x = 20.57
42.5x / 100 = 20.57
x = 20.57 * 100 / 42.5
x = 48.4
Therefore 42.5% of 48.4 is 20.57.
42.5% of x = 20.57
(42.5/100)*x = 20.57
42.5x / 100 = 20.57
x = 20.57 * 100 / 42.5
x = 48.4
Therefore 42.5% of 48.4 is 20.57.