Rachel used 4.5 cups of apple juice and a holiday punch that serve 12 people. Arl uses a recipe that is 4.75 cups of apple juice in the holiday punch recipe. What is the amount of apple juice for one serving in each of the recipes? please help!?

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min