Question: In a survey of 100 undergraduate math majors at a certain college, the following information is
obtained about the courses they are taking during the Spring semester:
41 are enrolled in real analysis,
44 are enrolled in differential equations, 48 are enrolled in linear algebra,
11 are enrolled in both real analysis and linear algebra,
14 are enrolled in both real analysis and differential equations,
19 are enrolled in both differential equations and linear algebra, and 10 are not enrolled in any of these three courses.
How many of the students surveyed are enrolled in all three of these courses?
A: 1
B: 2
C: 3
D: 4
Please eliminate two incorrect options first, then think it step by step and choose the most proper one option. Make sure to only use capital letters in your entire response.
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