Question

calcule as porcentagens:
a) 15% de 380 pratos.

b) 51% de 100 garrafas.

c) 60% de 930 carros.

d) 27% de 1200 casas.

e) 96% de R$ 530,00.

f) 4% de R$ 324,00.

Answer 1

A) 100-------->380
     15--------->x
100x=380*15
100x=5700
x=5700/100
x=57 pratos.

B) 100------>100
     51------->x
100x=100*51
100x=5100
x=5100/100
x=51 garrafas

C)100------->930
    60-------->x
100x=930*60
100x=55800
x=55800/100
x=558 carros

D)100-------->1200
    27--------->x
100x=1200*27
100x=32400
x=32400/100
x=324 casas

E)100------->530
    96-------->x
100x=530*96
100x=50880
x=50880/100
x= R$ 508,8

F)100-------->324
    4----------->x
100x=324*4
100x=1296
x=1296/100
x= R$ 12,96