Question:
At first, Kate placed all her beads into 30 boxes with an equal number of beads in each box. 6 of the boxes were broken and the beads in these broken boxes were then placed into the remaining 24 boxes. As a result, the number of beads in each remaining box increased by 10. What was the number of beads in each box at first?
Solution:
![P6 / Temasek / 2019 / SA2 Prelims / Paper 2 – Q15 [5 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/06/P6_SA2_2019_Temasek_Paper2_Q15-Qns.jpg?resize=400%2C260&ssl=1)