Yg nmr 12 yaaa.....pke cara kerja.....tlong djwb yhaa

mula tangki 3,2 liter
hari 1 dipakai 37.5 % => 3,2 x37,5/100 = 120/100 = 1,2 liter
sisa = 3,2-1,2 = 2 liter
hari 2 dipakai 4/5 liter => 2-4/5 = 10/5-4/5 = 6/5 liter
sisa 6/5 liter
hari ke 3 diisi 2,2 liter
2.2 + 6/5 = 11/5+6/5 = 17/5 = 3,4 liter