Level 2
The average capacity of 3 containers is 35 ℓ. Given that the total capacity of two of the containers is 86 ℓ, what is the capacity of the third container?
Level 2
Three containers contain an average of 48 ℓ of water. The 1st container contains 52 ℓ of water and the 2nd container contains 10 ℓ more water than the 1st container. How much water does the 3rd container contain?