Mathematics, 12.12.2020 21:50 bryantjorell

There are 38 students in form 5. All students study science in the following manner: 16 study physics, 20 study chemistry, 24 study biology, 7 study physics and chemistry, 8 study physics and biology, 10 study biology and chemistry, 3 study all three subjects.

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There are 38 students in form 5. All students study science in the following manner: 16 study physic...

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