The average weight of 97 notebooks in one box is 9.7 kg. On keeping a new notebook in the box, the average is 9.8 kg. Find the weight of the new notebook (in kg).
1
19.5
2
23.5
3
21.5
4
25.5
The average weight of 97 notebooks in one box is 9.7 kg. On keeping a new notebook in the box, the average is 9.8 kg. Find the weight of the new notebook (in kg).