If the average score of 30 boys in a class is 80; and the average score of 20 girls in the same class is 90; what is the average score of the entire class?

If the average score of 30 boys in a class is 80; and the average scor

1.	If the average score of 30 boys in a class is 80; and the average score of 20 girls in the same class is 90; what is the average score of the entire class?
A.	84
B.	82
C.	80
D.	90
Answer» B. 82

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If the average score of 30 boys in a class is 80; and the average score of 20 girls in the same class is 90; what is the average score of the entire class?

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