(Solved): HELP PLEASE4 An inverted pyramid is being filled with water at a constant rate of 55 cubic centimete ...

An inverted pyramid is being filled with water at a constant rate of 55 cubic centimeters per second. The pyramid, at the top, has the shape of a square with sides of length $5\mathrm{cm}$, and the height is $12\mathrm{cm}$. Find the rate at which the water level is rising when the water level is $10\mathrm{cm}$. $\mathrm{cm}/\sec$