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:
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Q04 [1 mark]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/06/P6_SA2_2021_Henry_Park_Paper1_Q04-Qns.jpg?resize=400%2C260&ssl=1)