Question

In a class of 20 girls and 15 boys, the average weight of the class is 42 kg. The average weight of the
boys is 41.5 kg What is the average weight of the girls?​

Answer 1

Answer:

average weight of girls = 42.5 kg

Step-by-step explanation:

average weight of class= (average weight of boys + average weight of girls)/2

42=(41.5+X)/2

84=41.5+ X

X=42.5

Answer 2

Answer:

the answer is 42.375

hence the answer is 42.375