Respostas

2014-04-07T23:22:14-03:00

           Causas                                                                                 Efeito

Número de pessoas                Dias                                                 Volume

    2                                            30                                                    10

    3                                             7                                                       x

Multiplicando cruzado as causas X efeito:

x =     3 . 7 . 10         = 7/2 m³

            2 . 30