Question:
In 1 minute, Machine A can pack 3 boxes of biscuits while Machine B can pack 4 boxes of biscuits. Both machines started packing at 12.50 p.m. At what time will both machines pack 105 boxes of biscuits in total? Leave your answer in 24-hour clock.
Solution:
![P6 / Methodist Girls / 2019 / SA2 / Paper 2 – Q04 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/07/P6_MGS_2019_Prelims_Paper2_Q04-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Raffles Girls / 2020 / SA2 Prelims / Paper 2 – Q03 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/11/P6_Raffles_Girls_2020_SA2_Paper2_Q03-Qns.jpg?resize=400%2C260&ssl=1)