Question

I purchased 5 litre of milk and used 80 % of it for making sweets how much milk is left show the full answer

Answer 1

5litre of milk...
1 L = 1000ml
5L = 5000ml
80% of 5000
80/100 × 5000
80/50
8/5 L.

Answer 2

the answer may be 20 percentage because 100-80=20 and in liters 1 liter of milk is left because 5×80/100=4 and 5-4=1 liter
hope it helps