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A form four class has 13 girls and 7 boys. The mean mark for the 13 girls is 48% while the mean mark for the...

A form four class has 13 girls and 7 boys. The mean mark for the 13 girls is 48% while the mean mark for the whole class is 41%. Calculate the mean mark for the 7 boys.

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sharon kalunda answered the question on August 20, 2019 at 05:41

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