Question

What is 40% of 120 ? What do I need to do.

Answer 1

120/x=100/40
(120/x)*x=(100/40)*x
120=2.5*x
120/2.5=x
48=x

40% of 120 is 48

Answer 2

Multiply 120 by 0.40 to get 40%:
120 x 0.40 = 48

So 48 is 40% of 120