kalau 7 1/2 kg gula harganya Rp.50 berapa harga 2 1/2 kg?

7 ½ kg = 50
2 ½ kg / 7 ½ kg × 50
= 5/2 ÷ 15/2 × 50
= 5/2 × 2/15 × 50
= ⅓ × 50
= 50/3
= 16,67