In a survey of university students, 64 had taken
mathematics course, 94 had taken chemistry
co...
Mathematics, 08.10.2020 01:01 tfonarov
In a survey of university students, 64 had taken
mathematics course, 94 had taken chemistry
course, 58 had taken physics course, 28 had
taken mathematics and physics, 26 had taken
mathematics and chemistry, 22 had taken
chemistry and physics course, and 14 had taken
all the three courses. Find how many had taken
one course only.
Answers: 2
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