Question:
Three boxes, A, B and C, contain some marbles. Box C contains 272 marbles. Box A contains 3/4 of the total number of marbles in Boxes B and C. The ratio of the number of marbles in Box B to the number of marbles in Box C is 1 : 2. How many marbles are there altogether in Boxes A and B?
Solution:
![P6 / Nan Hua / 2020 / SA2 Prelims / Paper 1 – Q19 [1 mark]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/02/P6_SA2_2020_Nan_Hua_Paper1_Q19-Qns.jpg?resize=400%2C241&ssl=1)
![P6 / Raffles Girls / 2019 / SA2 / Paper 1 – Q20 [1 mark]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/07/P6_SA2_2019_Raffles_Paper1_Q20-Qns.jpg?resize=400%2C96&ssl=1)