Question

The average of the number of students in a group is 54 kg. If 12 students weighing 52 kg join the group, the average weight of all the students in the group decreases to 750g then what was the number of students in the group initially. plz explain​

Answer 1

Answer:

54 of - 52 kg = 2kg

2kg + 750 g = 2.75

so the answer is 2.75 hope it helps you