Schwan's Sales Enterprises of Marshall, Minnesota, markets a full line of frozen foods in 49 states and parts of Canada using door-to-door salespeople who sell from refrigerated trucks. This particular method of distribution is called a

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 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 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.