Examine the worked problem and solve the equation. 4/3 (x) - 1/3 = 9
4/3 (x) - 1/3 + 1/3 = 9 + 1/3
4/3 (x) = 28/3

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. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.