Answer: The required height of each brick is 2.25 inches.
Step-by-step explanation: Given that a stack of 12 bricks is 27 inches high.
We are to find the height of each brick.
We will be using the UNITARY method to solve the given problem.
The height of the stack of 12 bricks = 27 inches.
Therefore, the height of 1 brick is given by

Thus, the required height of each brick is 2.25 inches.