PLEASE HELP URGENTLY The swimming pool is open when the high temperature is higher than 20∘C. Lainey tried to swim on Monday and Thursday (which was 3 days later). The pool was open on Monday, but it was closed on Thursday. The high temperature was 30∘C on Monday, but decreased at a constant rate in the next 3 days. 1. Write an inequality to determine the rate of temperature decrease in degrees Celsius per day, d, from Monday to Thursday. 2. What is the solution set of the inequality?