Solved

In a Group of 140 Students, 85 Know How to Use

Question 50

Multiple Choice

In a group of 140 students, 85 know how to use a Macintosh, 100 know how to use an IBM-compatible computer, and 10 do not know how to use either kind. How many students know how to use both kinds of computers?


A) 75
B) 40
C) 55
D) 90
E) 130

Correct Answer:

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