tentukan persentase harga pembelian rp4.800perkg harga penjualan rp600perons

1 kg = 10 ons
1 ons = 1/10 kg
harga pembelian = Rp 4.800 / kg
                            = 4.800 / 10
                            = Rp 480 ons
presentase = (harga jual / harga beli) x 100%
                   = (600 / 480) x 100%
                   = 125%
presentase untung = (untung / harga beli) x 100%
                               = ((600 - 480) / 480) x 100%
                               = 25%