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  4. twenty two js1 students obtained a mean score of 60 marks on social studies. fifteen...

twenty two js1 students obtained a mean score of 60 marks on social studies. fifteen...

twenty two js1 students obtained a mean score of 60 marks on social studies. fifteen js2 students obtained a mean score of 70 marks on the same test. find the mean score for the two classes altogether.?
In Mathematics
6 Answers Available
Asked by Iklouis on 14th July, 2020
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