It costs 5.5 yuan per kilogram of vegetable oil. A barrel of vegetable oil weighs 23 kg. After half of the oil is sold, it weighs 14 kg. How much can this barrel of oil cost?

It costs 5.5 yuan per kilogram of vegetable oil. A barrel of vegetable oil weighs 23 kg. After half of the oil is sold, it weighs 14 kg. How much can this barrel of oil cost?

(23-14)×2×5.5
=9×11
=99 yuan
A: this barrel of diesel can sell for 99 yuan