tolong ya kakak kakak bantu dijawab no 9

TNI = 30/360 = 270 orang
petani = 360 - 90 - 30 - 40 - 65 = 135 derajat
= 135/360

banyak petani =
270 × 360/30 × 140/360
= 270 × 135/30
= 9 × 135
= 1215

C