An empty rectangular fuel tank is being filled from a pump at a rate of 2.5 litres per second. The dimensions of the tank are shown in the diagram.

How long will it take for the fuel tank to be filled completely?
Practise Edexcel GCSE Maths Volume of a Prism with exam-style questions for Foundation and Higher tier. 46 questions, matched to the Edexcel GCSE Maths (1MA1) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.