Question

Calcule as porcentagens abaixo:

15% de 80 =

1% de 520=

50% de 75=

Answer 1

a) 80-------100%
       x------15%
100x=1200
x=1200/100
x=12

b)520-------100%
        x-------1%
100x=520
x=520/100
x=5,2

c)75------100%
      x-----50%
  100x=3750
  x=3750/100
  x=37,5

Answer 2

15.8=120÷10=12
1.52=52÷10=5,2
50.75=3750÷100=37,5