In the diagram not drawn to scale, Container E and Container F each has a button that, when pressed, will cause the water to flow out if the water level is higher than the hole. Container E measures 80 cm by 45 cm by 80 cm. Container F measures 25 cm by 40 cm by 90 cm. Container G is 60 cm by 10 cm by 20 cm. Both holes are located at a height of 20 cm from the top of their respective containers. When Container E is completely filled with water and both buttons are pressed, what will be the final water level in Container G? Express your answer in mixed number.
Volume of Container E to pour into Container F
= 80 x 45 x 20
= 72000 cm³

Volume of the Container F that can be filled before overflow
= 25 x 40 x (90 - 20)
= 70000 cm³ 

Volume of water in the Container G
= 72000 - 70000
= 2000 cm³ 

Base Area of the Container G
= 60 x 10
= 600 cm² 

Final height of the container G
= 3²⁰⁰₆₀₀
= 3¹₃ cm

Answer(s): 3¹₃ cm