How much more water must be added to the container to make 20 litre(s)? Give the answer in ℓ and mℓ.
1 ℓ = 1000 mℓ
20 ℓ = 20 x 1000 = 20000 mℓ
Volume of water of each marking
= 20000 ÷ 20
= 1000 mℓ
Volume of water that must be added
= 2 x 1000
= 2000 mℓ
= 2 ℓ 0 mℓ
Answer(s): 2 ℓ 0 mℓ