Question

the average weight of a class of 15 boys and 10 girls is 38.4 Kg if the average weight of the boys is 40 kg then what is the average weight of the girls?

Answer 1

Answer:

Total canditet=25

Av weight of 25 =38.4

Thet total weight is 38.4×25=960

15boys avg wie=40kg

So total weight of 15 boysis=15×40=600

Step-by-step explanation:

Then 10 girls total weight=960-600=360

Avg weight of 10girls is 360/10=36