Question:
The ratio of the number of red balloons to the number of blue balloons Mr Abdul had at first was 2 : 3. He sold 1/5 of the red balloons and 2/3 of the blue balloons. What is the ratio of the number of red balloons to the number of blue balloons he had left?
Solution:
![P6 / SCGS / 2020 / SA2 Prelims / Paper 2 – Q13 [5 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/12/P6_SCGS_2020_SA2_Paper2_Q13-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Henry Park / 2019 / SA2 / Paper 2 – Q14 [5 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/06/P6_Henry_Park_2019_Prelims_Paper2_Q14-Qns.jpg?resize=400%2C260&ssl=1)