Jawabanmu

2014-05-29T09:11:12+07:00
2.700 / 54.000 × 100% = 5% Jadi ruginya sebesar 5 %
2014-05-29T09:13:38+07:00
Harga beli : 54.000
Harga jual : 51.300
Rugi : 54.000 - 51.300 = 2.70
Persentase : 2.700/54.000 = 5/100 = 5%
*Maaf jika salah