Question:
The average mass of 3 boys are 32 kg. When a 4th boy joined the group, the average mass of 4 boys was 33 kg. What was the mass of the 4th boy?
Solution:
Empowering Students and Parents with Solutions
Empowering Students and Parents with Solutions
![P6 / Nan Hua / 2021 / SA2 / Paper 1 – Q13 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/08/P6_SA2_2021_Nan_Hua_Paper1_Q13-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / CHIJ / 2018 / SA2 / Paper 2 – Q09 [3 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2019/08/P6_CHIJ_2018_Prelims_Paper2_Q09.jpg?resize=400%2C260&ssl=1)