Question

a pool only open when the temperature is at least 72 degrees. Which inequality represents the temperature t, when the pool is open?

Answer 1

t ≥ 72

Explanation:

The pool has to be at least 72° or MORE to open, so we are going to have a greater sign with an equal sign under indicating that the temperature has to at least be 72° or be greater than 72°. (≥)