Question

Qual o porcentual que 20 representa num total de 25?
A) 50%
B) 60%
C) 70%
D) 80%
E) 90%

Answer 1

20---------->25
x----------->100
25x=100*20
25x=2000
x=2000/25
x=80%

Opção D

Answer 2

20/25=0,8
0,8x100= 80%