#19. Describe a real-world situation that can be described by an inequality, then write the inequality that represents it. Write your description in the box below.
Real-world situation: In a café, the number of chairs available is restricted due to social distancing guidelines. The café allows no more than 20 customers at a time to maintain safe distances between tables.
Inequality: The number of customers, x, in the café at any given time must be less than or equal to 20.
Mathematical representation: x ≤ 20.