The tank contains 20 liters of gasoline. The chauffeur used up 4 times more beniz than

The tank contains 20 liters of gasoline. The chauffeur used up 4 times more beniz than the remaining amount How many liters did the chauffeur use?

Let x liters of gas remain in the tank.

The driver spent 4 times more, that is:

4 * x = 4 liters.

There are a total of 20 liters in the tank.

Let’s compose and solve the equation:

x + 4x = 20,

5x = 20,

x = 4,

Find out how many liters of gasoline the driver consumed:

4x = 4 * 4 = 16 liters.

Answer: the driver used up 16 liters of gasoline.