In one version of a trail mix, there are 6 cups of peanuts mixed with 4 cups of raisins. In another version of trail mix, there are 4.5 cups of peanuts mixed with 3 cups of
raisins. Are the ratios equivalent for the two mixes? Explain your reasoning.

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.