apakah ada yg tau? tlng dijawab ya.

12/25 : 0,8 + 12% × 1,6
= 12/25 : 8/10 + 12/100 × 16/10
= 12/25 × 10/8 + 192/1000
= 120/200 + 192/1000
= 600/1000 + 192/1000
= 792/1000
= 0,792