Question

Se 1kg de chocolate custa R$ 15,99, determine quanto pagarei por 600g de chocolate.

Answer 1

1 kg --------------------------1000 g
1 000 g --------------------------------------------------15,99
600 g -----------------------------------------------------  x
x . 1000 = 600 . 15,99
x = 9594/1000
x = 9,594

Resposta : Pagarei R$9,60 .

Answer 2

1000g/600g=15,99/x

10/6=15,99/x

5/3=15,99/x

5x=47,97

x=47,97/5

x=9,59