Question

in a class of 40 students, the number of boys exceeds that of the girls by 10.the average weight of the girls is more than that of the boys by 12kg. if the average weight of the whole class is 341â„2 kg, what is the difference between the total weight of the girls and that of the boys

Answer 1

I don't know I don't know I don't know I don't know I don't know I don't know I don't know I don't I am junior