#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. Here's an example: "Kim has to be at least 18 years old to vote. This is represented by the inequality a≥18." #20. Your inequality:

"The temperature in a greenhouse cannot exceed 35 degrees Celsius for the safety of the plants. This is represented by the inequality t≤35."