Question

the total weight of the 8 football is 3.6 kg find the total weight of a considered mint of 60 football​

Answer 1

Let there be n students in the class.

60n+64(8)=62(n+8)

62n−60n=64(8)−62(8)

2n=16

n=8

Therefore, initially there were 8 students in the class.