A school has 43 student in class 3A and 47 student in class 3B the...
A school has 43 student in class 3A and 47 student in class 3B the...
A school has 43 student in class 3A and 47 student in class 3B the average score in test is 55 for class 3A and 60 for class 3B the average score for both class correct to one decimal place is?
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