Colby decided to visit the new trampoline park in town. He must purchase a pair of socks for $3.50 plus pay $5.50 per hour he is at the park. If he plans to stay at the park for 2 hours, write and solve an inequality that represents the least amount of money Colby will need?

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.