Mathematics, 10.07.2019 09:00 Tayj91

The mean number of students in a classroom at school a is 32.5 and there are 25 classrooms. the mean number of students at school b is 29.6 in 12 classrooms. at school c the mean in each class is 15.3 for 10 classrooms. what is the mean number of students per classroom for all the schools combined?

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