Tolang jawab no 15 aja

1 ton itu 1000 kg,1 kuintal itu 100 kg
8000 + 500 + 400 = 8900 kg totalnya

1 ton = 1000 kg
8 ton = 1000 x 8 = 8000 kg
1 kuintal = 100 kg
5 kuintal = 100 x 5 = 500 kg

Total panen
8000 + 500 + 400
= 8900 kg (A.)