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 jump to answer
Answer
Explanation:
Step1: Find students taking math
Add all parts of the Math circle: (20 + 19+7 + 1) (20+19+7 + 1=47)
Step2: Find students taking science and history
Add the part where Science and History overlap: (16 + 1) (16+1 = 17)
Step3: Find students taking math and science, but not history
Look at the part where Math and Science overlap and is not in History: (7)
Answer:
47 17 7