Mathematics, 13.04.2020 18:58, jagslovegirl

There are 70 students in math class (Group A) class, and 40 of them are also taking biology (Group B) course. The total students in biology (Group B) are 60. There are 25 arts (Group C) students in the department, and 10 of them are taking math.

Define how many people there are:

a) A or B, b) A and B, c) C xor A, d) B or C

Answers: 3

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There are 70 students in math class (Group A) class, and 40 of them are also taking biology (Group B...