Question:
In a Sports Meet, the ratio of the number of runners in the Blue Team to the Red Team is 3 : 5. The ratio of the number of runners in the Yellow Team to the Blue Team is 3 : 4. There are 66 more runners in the Red Team than the Yellow Team. How many runners are there altogether?
Solution:
![P6 / Henry Park / 2020 / SA2 Prelims / Paper 2 – Q07 [3 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/09/P6_Henry_Park_2020_SA2_Paper2_Q07-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Catholic High / 2020 / SA2 Prelims / Paper 1 – Q15 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/06/P6_SA2_2020_Catholic_High_Paper1_Q15-Qns.jpg?resize=400%2C260&ssl=1)