In the cafeteria, 68 students were seated at tables. 10 were enrolled in psycho

Question

In the cafeteria, 68 students were seated at tables. 10 were enrolled in psycho enrolled in physics, and 2 were enrolled in both psychology and physics. Part 1 How many students were enrolled in psychology only? There were 8 students who were enrolled in psychology only. Part 2 How many students were not enrolled in physics? There were 54 students who were not enrolled in physics. Part 3 out of 3 How many students were enrolled in at least one of these courses? There were _____ students who were enrolled in at least one of these course;

Explanation / Answer

a)

10 were enrolled in psychology

2 in physisc and pschology

So 10-2 =8 in psychology only

b)

68-14 =54 not enrolled in physics

c)

Enrolled in physics +enrolled in psychology-enrolled in both=10+14-2=22

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