解析库 > 2021年考满分GPO新题模考
A group of ten students had a meeting to discuss the books that they read last summer. The median of the numbers of books read last summer by the first nine students that arrived at the meeting was 5. After the tenth student arrived at the meeting, the median of the numbers of books read last summer by the ten students was 4.5.
The number of books read last summer by the tenth student