Math, asked by rohit5558, 1 year ago

In a class of 20 girls and 15 boys the average weight of class is 42 kg the average weight of boys is 41.5 kg what is the average weight of the girl

Answers

Answered by vishu6070

7

41.5+x/2 = 42
41.5+x = 84
x = 84-41.5
x = 43.5

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