Question #N536
A survey of 200 randomly selected college students found that 120 students prefer to study in a quiet environment, 80 students prefer to study in a noisy environment, and 50 students prefer to study in either a quiet or noisy environment. How many of the 200 students surveyed prefer to study in a quiet environment only?
A. 70
B. 90
C. 110
D. 130
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Correct Answer is: A
50 students prefer to study in either a quiet or noisy environment, but 120 students prefer to study in a quiet environment. Therefore, 120 - 50 = 70 students prefer to study in a quiet environment only.