Answer Happy

3) A computer science department offers three lower division classes in a given quarter: discrete math, digital logic, and introductory programming. The department would like to know the number of students enrolled in any of the three courses. Here are numbers for enrollments in the courses: 114 students enrolled in discrete math. 122 students enrolled in digital logic. 134 students enrolled in introductory programming. 32 students enrolled in both discrete math and digital logic. 18 students enrolled in both digital logic and introductory programming. 28 students enrolled in both introductory programming and discrete math. 11 students are enrolled in all three classes.