An office supply company is shipping a case of wooden pencils to a store. there are 64 boxes of pencils in a case. if each box of pencils weighs 2.5 ounces, what is the weight, in pounds, of the case of wooden pencils?

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?