Question

Qual o valor de 3% de 400

Answer 1

100% → 400

3% →      x

100x=3*400

100x = 1.200

x= 1.200/100

x = 12

Espero ter ajudado!

Answer 2

400----100%

x---------3%

100x=400*3

100x=1200

x=1200/100

x=12  

o valor de 3% de 400=12

Testando:

400----100

12-------3

12*100=400*3

1200=1200