Question

calcule as porcentagens
a) 45% de 180
b) 21% de 32
c) 80% de 5,5
d) 1,5% de 17

Answer 1

A) 45% = 45/100 = 0,45
180x0,45 = 81

B)21% = 21/100 = 0,21
32x0,21 = 6,72

C)80% = 80/100 = 0,80
5,5x0,80 = 4,4

D)1,5% = 1,5/100 = 0,015
17x0,015 = 0,255