Question

Se o kg de sabão em pó custa R$8,80 quanto custa 300g e 250g?

Answer 1

1kg = 1000g

1000g ---- 8,80
300g ------ x
x=2640/1000
x= 2,64

1000g ------8,80
250g --------x
x=2200/1000
x=2,20

Answer 2

1000g=8,80
500g=4,40
250=2,20