. Adric has a rope 9 yards long. He cuts off 7 pieces of rope,
each measuring 0.75 yard. He places the 7 pieces of rope in a
basket. Then he cuts the remaining rope into shorter lengths
of 0.38 yard. How many pieces of length 0.38 yard are cut?

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?