Question:
A tank was filled with 65 L of water at 08 00. Water flowed out of the tank from 08 00 to 12 00. The line graph shows the volume of water in the tank from 08 00 to 12 00.
During which one-hour period was the decrease in volume of water the greatest?
Solution:
![P6 / ACS / 2019 / SA2 / Paper 2 – Q06 [3 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/05/P6_ACS_2019_Prelims_Paper2_Q06-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Rosyth / 2019 / SA2 / Paper 2 – Q17 [5 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/07/P6_Rosyth_2019_Prelims_Paper2_Q17-Qns.jpg?resize=400%2C260&ssl=1)