Barry asked 40 random students at his school to name their favorite ice cream flavor. of the 40 students he asked, 25 of them preffered chocolate. based on barry's results, how many of the 1,200 students students in the school most likely preffer chocolate ice cream?

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?