If there were 20 students in the math 101 class how many of them made an a in the course

4 students

Step-by-step explanation:

Given that there are 20 student in that Math class and 23% made an A in the course, the number of students that made an A is;

23/100 * 20 = 46/10 = 4.6

This means exactly 4 students made an A in the class of 20 students.