M and N are two rectangular tanks. The base area of M is 1200 cm2 and the base of N has dimensions as shown. Tank M contained 72000 cm3 of water and Tank N was empty.
- What was the height of the water level in M?
- Mark poured some water from Tank M into Tank N without spilling. After that, the height of the water level of Tank M was the same as that of Tank N. How much water did Mark pour into Tank N?