Question:
Each of the 3 cards below is printed with a different number. The number 9 is neither the smallest nor the largest number. When these numbers are added two at a time, the sums are 16, 28 and 30 respectively. What is the ratio of the smallest number to the largest number?
Solution:
![P6 / ACS / 2020 / SA2 / Paper 2 – Q15 [4 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/09/P6_ACS_2020_SA2_Paper2_Q15-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Nan Hua / 2021 / SA2 /
Paper 2 – Q11 [3 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/08/P6_SA2_2021_Nan_Hua_Paper2_Q11-Qns.jpg?resize=400%2C260&ssl=1)