Respostas

A melhor resposta!
2014-08-21T13:53:41-03:00
Dados:
28Kg(f)___40kg(t)
7Kg(f)____x

; 28x=40*7
x=280/28
x=10Kg de Trigo
2 4 2
2014-08-21T13:54:29-03:00
28kg____40kg
7kg_____x
28x=280
x=10kg
1 5 1