if one-third of a tank holds 80 litres of water then what is the quantity of water in litres when it is half filled ?

Let the volume of tank be x

When it is 1/3rd filled,

(1/3 )x=80

x=80*3/1=240 litres

Half of the capacity means

0.5*240=120 litres.

Hope This Helps! Cheers

Thumbs Up plss