Final answer:
T(20) = T(C) means that the number of tenants living on the 20th floor of the Princess Tower is equal to the number of tenants living on floor C.
Step-by-step explanation:
The statement T(20) = T(C) means that the number of tenants living on the 20th floor of the Princess Tower is equal to the number of tenants living on floor C of the tower. In other words, T(20) represents the number of tenants on the 20th floor, and T(C) represents the number of tenants on floor C. Both values are equal.