If I invested part of my 10,000 dollars in an account that earned 3.1% interest for one year, and the other part at 2.6% for one year, how much had I invested in each account if the total interest from both accounts is 3000?

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.