SOLUTION: The mean of marks scored by 30 girls of a class is 44%. The mean for boys is 42%. The mean for the whole class is ?
Algebra.Com
Question 1006076: The mean of marks scored by 30 girls of a class is 44%. The mean for boys is 42%. The mean for the whole class is ?
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
You cannot answer this without knowing how many boys are in the class. If you tell us, someone will help you.
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