The number of extracurricular books read by the students of class 52 in winter vacation accounts for a few percent of the total number of students in the class Three or more than one tenth 1. Have all the students of class 52 participated in the reading activities? Why? What questions can you ask

The number of extracurricular books read by the students of class 52 in winter vacation accounts for a few percent of the total number of students in the class Three or more than one tenth 1. Have all the students of class 52 participated in the reading activities? Why? What questions can you ask

1. 1 / 2 + 3 / 8 + 1 / 10 = 20 / 40 + 15 / 40 + 4 / 40 = 39 / 40, less than 1, so not all of them participated
2. How many more books do you read than three? How many more books do you read than three? How many more books do you read one or two