Question:
A tank measuring 36 cm by 70 cm by 25 cm was 1/3 filled with water at first. Tap X and Y were turned on at the same time. Water was flowing out from Tap Y at a rate of 750 cm³ per minute. It took 30 minutes to fill the tank to the brim.
(a) How much more water was needed to fill the tank to the brim at first?
(b) How much water was flowing into the tank from Tap X per minute? Leave your answer in cm³.
Solution:
![P6 / River Valley / 2019 / SA2 / Paper 2 – Q08 [3 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/07/P6_River_Valley_2019_Prelims_Paper2_Q08-Qns.jpg?resize=400%2C260&ssl=1)