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