Jalaysha is three years less than twice as old as Ben, and Maureen is two years older than Ben. Write an expression for Jalaysa and Maureen's ages in terms of (b) Ben's unknown age.

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.