Question:
A tank measuring 45 cm by 20 cm by 60 cm is 1/4 filled with water. Water is flowing from Tap A into the tank at 9L/min. Water is draining from Tap B at 6L/min. Both taps were turned on at the same time. How long will it take to fill the tank completely with water? Leave your answer in minutes.
Solution:
![P6 / Henry Park / 2021 / SA2 / Paper 1 –
Q17 [1 mark]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/06/P6_SA2_2021_Henry_Park_Paper1_Q17-Qns.jpg?resize=400%2C114&ssl=1)
![P6 / ACS (Junior) / 2021 / SA2 Prelims / Paper 1 – Q11 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/05/P6_SA2_2021_ACS_Junior_Paper1_Q11-Qns.jpg?resize=400%2C260&ssl=1)