Question:
The ratio of the number of ten-cent coins to the number of twenty-cent coins in a purse was 3 : 5. When 60 twenty-cent coins were removed, there were an equal number of ten-cent coins and twenty-cent coins. How many ten-cent coins where there in the purse at first?
Solution:
![P6 / Nanyang / 2020 / SA2 Prelims / Paper 2 – Q07 [3 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/11/P6_Nanyang_2020_SA2_Paper2_Q07-Qns.jpg?resize=400%2C256&ssl=1)
![P6 / Nanyang / 2020 / SA2 Prelims / Paper 2 – Q13 [4 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/11/P6_Nanyang_2020_SA2_Paper2_Q13-Qns.jpg?resize=400%2C260&ssl=1)