Question:
Machine A and Machine B were used to print the same number of cards each. Machine A took 60 minutes to print the cards. Machine B took 90 minutes to print the same number of cards. The faster machine printed 8 more cards per minute than the slower one. What was the total number of cards printed by the two machines?
Solution:
![P6 / CHIJ / 2019 / SA1 / Paper 2 – Q05 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/04/P6_CHIJ_2019_SA1_Paper2_Q05-Qns.jpg?resize=400%2C204&ssl=1)
![P6 / Nanyang / 2019 / SA2 / Paper 2 – Q09 [3 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/07/P6_Nanyang_2019_Prelims_Paper2_Q09-Qns.jpg?resize=400%2C260&ssl=1)