In a class, there are 48 students (boys and girls). The average weight of 32 boys in the class is 50.25 kg and that of the girls is 45.15 kg. What is the average weight (in kg) of the class?

In a class, there are 48 students (boys and girls). The average weight

1.	In a class, there are 48 students (boys and girls). The average weight of 32 boys in the class is 50.25 kg and that of the girls is 45.15 kg. What is the average weight (in kg) of the class?
A.	48.55
B.	47.65
C.	49.67
D.	50.23
Answer» B. 47.65

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In a class, there are 48 students (boys and girls). The average weight of 32 boys in the class is 50.25 kg and that of the girls is 45.15 kg. What is the average weight (in kg) of the class?

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