An inverted right square pyramid with base 20 and height 24 Water enters the filter in the shape the inverted right square pyramid represented above at a constant rate
of 3 liters/hr, and exits at a constant rate of 5 liters/hr. The current water level is 14 cm. Find the rate at
which the level is changing.
Round your answer to 2 decimal(s).
Hint: volume of a right square pyramid with base b and height h: V = 62
22
승
cm/hr