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Q7: Question – Paper 1 – June 2017
Q7: Question – Paper 1 – June 2017
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Question
7)
There are 10 boys and 20 girls in a class.
The class has a test.
The mean mark for all the class is 60
The mean mark for the girls is 54
Work out the mean mark for the boys.
There are 10 boys and 20 girls in a class.
The class has a test.
The mean mark for all the class is 60
The mean mark for the girls is 54
Work out the mean mark for the boys.
[3 marks]