Jawabanmu

2014-02-27T19:13:38+07:00
1 galon = 19 liter = 12500
1 liter harganya 12500: 19 = Rp 657,8947368421053
harga 200mL = harga 1 liter : 5 = Rp 657,8947368421053 : 5 =  Rp 131,5789473684211



2014-02-27T19:44:28+07:00
1 galon=19 liter
2 galon=19x2=38 liter =Rp 25000
1 gelas air=200ml
38 liter=38000 ml
Rp 25000:38000 ml=0,657x200= 131,4
jadi harga 1 gelas air adalah Rp 131,4