jagung seberat 80 kg dlm kemasan dg tara 5,25%. Harga beli jagung tsb rp. 135.000. jika jagung tsb dijual dg untung 25%, harga per kg jagung adl?

tara = 80 x 5,25% = 4,2 kg

harga jual = 135.000 x (1 + 25%)
                 =  Rp 168.750,-

neto = bruto - tara = 80 - 4,2
                              = 75,8 kg

harga jual bersih perkilo = 168.750 / 75,8
                                       =  Rp 2.226,-