Jawabanmu

2014-05-13T15:37:21+07:00
Bruto 1 karung = 100kg tarra= 2%
tarra= 100 x 2/100= 2kg (1 karung)
tarra 4 karung = 8 kg
netto 4 karung= 400 - 8 = 392 kg

jadi netto seluruh nya = 392 kg
Jawaban paling cerdas!
2014-05-13T15:46:00+07:00
netto(N) = bruto (b) - tara(t)
tara= % t x b
     = (2/100) x 100
     = 2
total tara: 2x 4=8
total netto: 100 x 4
N= B-T

N= 400-8
N=392 kg