Math, asked by messironaldoashish, 1 year ago

the students of section A and B have average weights of 30 kg and 45 kg respectively .find the average weight in kg of both the sections together given that the students in the sections A and B are in ratio 9:1

Answers

Answered by himanshu239885

3

Answer:

31.5 KGS

Step-by-step explanation:

we have to find the total weight of all children i.e 30*9+45*1=315

now the total children are 10

then 315/10=31.5

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