Jawabanmu

2014-04-02T18:17:15+07:00
Rumus bruto = Netto + Tara
a. Netto per karung = 60 kg
Tara per karung = 5 kg

Bruto = 60 + 5 = 65 kg

b. Bruto 20 karung = 1200 + 100 = 1300 kg.


Semoga membantu ;)

2014-04-02T18:20:13+07:00
Banyak karung = 20
netto 20 karung = 1200kg
tara 20 karung = 100kg
jawab :
a. netto perkarung : 1200 : 20 = 60kg
    tara perkarung : 100 : 20 = 5kg
    brutto perkarung = 60 + 5 = 65kg
b. brutto 20 karung = 1200 + 100 = 1300kg