The barrel is a measure of capacity mostly used for beer and oil.
1 barrel of oil = 42 American gallons 1 American gallon = 3.78 L
How many litres are there in a barrel ?
L to the nearest liter
The use of the word 'barrel' comes from when wine was delivered in 190 litre barrels. These barrels were made of wood, so there was obviously some wastage. How much wastage was there ?
L
What percentage of the wine was lost ?
% to the nearest whole number