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 / Maris Stella / 2019 / SA1 / Paper 2 – Q11 [3 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/04/P6_MarisStella_2019_SA1_Paper2_Q11-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Tao Nan / 2019 / SA1 / Paper 2 – Q12 [4 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/05/P6_Tao_Nan_2019_SA1_Paper2_Q12-Qns.jpg?resize=400%2C161&ssl=1)