** Solution : ** Volume of 1 can of Pepsi = 0.33 liters

Volume of 12 can of Pepsi = 0.33*12 = 3.96 liters

Since There are 12 cans in 1 carton

So volume of 1 cartons of Pepsi = Volume of 12 can of Pepsi = 3.96 liters

Now volume of 5 cartons of Pepsi = 3.96*5 = 19.80 litres