A tanker is filling a large storage container with fuel. The table and graph show the volume v v\,v of fuel in the container at time t t\,t minutes.
| Time ttt (minutes) | Volume vvv (litres) |
|---|---|
| 0 | 300 |
| 10 | 1,100 |
| 20 | 1,900 |
| 30 | 2,700 |
| 40 | 3,500 |
| 50 | 4,300 |

Work out the rate at which the fuel is flowing into the storage container.
Give your answer in litres per minute.
14 exam-style questions on Edexcel IGCSE Maths Real Life and Distance Time Graphs. Each one has a worked solution and a mark scheme showing where the marks go.