Respuesta :

AL2006
All of them are correct, except B, C, and D. 'A' is the only actually correct one.
wikk
Whenever you see the word OF, think of multiplication.

Since you can't really multiply with a percentage, you need to change it to a decimal, or at least a fraction

25% = 0.25 or 1/4

A. (0.25)N 
is the only one that's correct in this case