Answer:
6 appointments are cancelled each day.
Explanation:
Jasmine is a receptionist. She books 36 appointments each day.
Four out of 24 are cancelled.
Let the number of appointments cancelled each day be = x
We can relate this as:

Solving for x;

=>

Dividing by 24 on both sides;
x = 6
Therefore, 6 appointments are cancelled each day.