Question

Calcule as porcentagens

A-20% de 14

B-3,5% de 150

C-27% de 210

D-1,84 de 2.000

Answer 1

Olá...

a) 20 % de 14

100%--------14

20%----------x

100x = 280

x = 280/100

x = 2,8

b) 3,5% de 150

100x = 525

x = 525/100

x =5,25

c) 27% de 210

100x = 5670

x = 5670/100

x = 56,7

d) 1,84% de 2.000

100x = 3680

x = 3680/100

x = 36,8

Espero ter ajudado