Respuesta :

6.4% of n = 1.28
(6.4/100) * n = 1.28
n = 1.28 * (100 / 6.4)
n = 0.2 * 100
n = 20

6.4% of N

6.4% of N= 1.28

(6.4/100)*N

N=1.28*(100/6.4)

N=0.2*100

N=20 is your final answer

hope this helps you!!!

Good Luck :) :) :)