college classes: how many students are taking math? how many students are taking science and history? how…

college classes: how many students are taking math? how many students are taking science and history? how many students are taking math and science, but not history? question help: video message instructor submit question

college classes: how many students are taking math? how many students are taking science and history? how many students are taking math and science, but not history? question help: video message instructor submit question

Answer

Explanation:

Step1: Calculate students taking math

Add all sections in the math circle: (8 + 18+12 + 3). [8+18 + 12+3=(8 + 12)+(18 + 3)=20+21 = 41]

Step2: Calculate students taking science and history

Find the intersection of science and history: (6).

Step3: Calculate students taking math and science but not history

Find the intersection of math and science not in history: (12).

Answer:

How many students are taking math? (41) How many students are taking science and history? (6) How many students are taking math and science, but not history? (12)