The mass of 1 liter of gasoline is 0.71kg. The capacity of the car’s gas tank is 40 liters.

The mass of 1 liter of gasoline is 0.71kg. The capacity of the car’s gas tank is 40 liters. The gas tank is 0.75 liters filled with gasoline. How many kilograms of gasoline is in the gas tank?

Let’s solve this task in actions:

1) Find the number of liters in the tank. It is known that the volume of the tank is 40 liters. it is filled by 0.75 of the volume.

40 * 0.75 = 30 (l) the amount of gasoline in the tank.

2) Let’s calculate the mass of gasoline in the tank. It is known that the tank contains 30 liters. gasoline, the weight of one liter is 0.71 kg. we get:

30 * 0.71 = 23.3 (kg) mass of gasoline in the tank.

Answer: 23.3 kg. mass of gasoline.