Question:
Some children took a Mathematics test. Their average score was 78.1 marks. One of the children’s scores was wrongly recorded as 79 marks instead of 97 marks. As a result, the average score was calculated as 76.3 marks. How many children sat for the test?
Solution:
![P6 / Raffles Girls / 2019 / SA2 / Paper 1 – Q11 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/07/P6_SA2_2019_Raffles_Paper1_Q11-Qns.jpg?resize=400%2C260&ssl=1)
