A T-shirt launcher can launch 6 shirts in 2/3 of an hour. What is the rate in shirts per hour?

Can someone pls ! pls answer all. no explanation needed..

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.

Ateacher noticed 5/8 of the students were wearing either blue shorts or white shorts. write two different ways this could be done.