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Mathematics, 27.06.2020 02:01 Shlabo

There are 32 students in a class. They are taking either biology or chemistry or both. The number of students taking biology is three times as many as the number of students
taking chemistry. If 4 students are taking both biology and chemistry, how many
students are in biology?

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There are 32 students in a class. They are taking either biology or chemistry or both. The number o...

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