Question:
A glass tank measuring 45 cm long and 30 cm wide contained some water which could fill up 5 identical pails completely. After some water was poured out to fill up 2 of the pails completely, the height of the water left in the glass tank dropped to 14 cm. How much water was there in the glass tank at first?
Solution:
![P6 / Nanyang / 2019 / CA1 / Paper 1 – Q22 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/04/P6_CA1_2019_Nanyang_Paper1_Q22-Qns.jpg?resize=400%2C189&ssl=1)
![P6 / Maha Bodhi / 2019 / SA2 / Paper 2 – Q07 [3 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/06/P6_Maha_Bodhi_2019_Prelims_Paper2_Q07-Qns.jpg?resize=400%2C260&ssl=1)