At school, the maximum number of students that can be in a classroom is 25. If there are 20 students signed up for the chemistry class, how many more students can join the class? What are the solutions? Select the correct choice below and fill in the answer box to complete your choice. O A. The number of students that can join the class is at least OB. The number of students that can join the class is at most Click to select and enter your answer(s).​