Question:
Ali and Jim had some red and blue marbles. Jim had twice as many marbles as Ali. Ali had red and blue marbles in the ratio of 1 : 5. Jim had red and blue marbles in the ratio of 5 : 3. What was the ratio of the their total number of red marbles to their total of blue marbles?
Solution:
![P6 / Henry Park / 2020 / SA2 Prelims / Paper 1 – Q14 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/08/P6_SA2_2020_Henry_Park_Paper1_Q14-Qns.jpg?resize=400%2C260&ssl=1)
