1/5 part of a container was full of water. When 5/4 litre of water is poured, 1/4 part of the container was filled up now. Find the capacity of the container.

1 answer

capacity --- x litres

x/5 + 5/4 = x/4
times 20
4x + 25 = 5x
x = 25

the container holds 25 litres