The relay race is 5 kilometers long. If there are 12 racers per team, how far would each racer need to run?a.5/12 b.12/5 c.1 2/5 d.5 1/12

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?