Respostas

2014-07-23T00:11:14-03:00
6 metros --- 74 reais
27 metros --- x

6x = 74.27
6x = 1998
x = 1998 ÷ 6
x = 333 reais.
1 5 1
2014-07-23T00:12:01-03:00
6m ____ 74 reais
27 m_____ c

c =27.74 / 6

c= R$ 333