K and L are two rectangular tanks. The base area of K is 300 cm2 and the base of L has dimensions as shown. Tank K contained 9000 cm3 of water and Tank L was empty.
- What was the height of the water level in K?
- Valen poured some water from Tank K into Tank L without spilling. After that, the height of the water level of Tank K was the same as that of Tank L. How much water did Valen pour into Tank L?