The formula to calculate the Average Daily Rate (ADR) is:
\[ ADR = \frac{R}{RS} \]
Where:
Let's say the total revenue for the day (R) is $5000 and the number of rooms sold (RS) is 50. Using the formula:
\[ ADR = \frac{5000}{50} = 100 \]
So, the Average Daily Rate (ADR) is $100 per room.