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Mobil + 2 penumpang = 5000 kg
Mobil = 4900 kg
Penumpang (1) = 55 kg
Berat penumpang (2)...?
5000 - 4955 = 45 kg
Maka berat penumpang yang lain adalah 45 kg.
49 kuintal = 49 x 100 kg = 4900 kg
1 penumpang = 55 kg
5000 kg - 4900 kg - 55 kg = 45 kg