Question

100 grama de presunto custa 3,95. Quantos ira custar 350 gramas?

Answer 1

x=3,95 * 350
    100
x=0,0395*350
x=13,82

Resposta: R$13,82

Answer 2

100g  _____ R$3,95
350g  _____ x

100.x= 350.3,95
x= 1382,5
      100
x= 13,83.
R$13,83