She poured into a cube barrel with a bottom circumference of 24dm an oil to 3/4 height. A liter of heavy oil 0.9kg. Find the volume of oil she barrel

Edge is: 24: 4 = 6 (dm) The oil level of the tank is: 6 x 3/4 = 4.5 (dm) The tank volume of the tank is: 6 x 6 x 4.5 = 162 (dm2) = 162 liters Weight is: 0.9 x 162 = 145.8 (kg)