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Assume that 28 take mathematics, 28 take psychology, and 13 take mathematics and psychology. How many students take exactly one of these two courses

Assume that 28 take mathematics, 28 take psychology, and 13 take mathematics and psychology. How many students take exactly one of these two courses
asked 64.1k views
5 votes
Assume that 28 take mathematics, 28 take psychology, and 13 take mathematics and psychology. How many students take exactly one of these two courses

asked
User Enyra
by
8.5k points

1 Answer

3 votes
28-M
28-P
13-M&P

one of two courses: 28+28=56
answered
User Steven Rosato
by
7.9k points
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