Percentage question?

Question

if 45 is 120% of a number what is 80% of the same number

Answer 1

30

80/120=2/3

(2/3)*45=30

Answer 2

43.2

Answer 3

The answer is 30.

If 45 is 120% of a number, the number is 45/1.2 = 37.5

80% of 37.5 is 37.5 * .8 = 30