Using the data in the table below, calculate the percentage (%) increase in organic waste composted in the UK between 2015 and 2021.
| Year | Organic waste composted (million tonnes) |
|---|---|
| 2015 | 5.2 |
| 2021 | 7.9 |
Give your answer to the nearest whole number. You must show your working.
3 exam-style questions on Edexcel A GCSE Geography The UK's resource consumption and environmental sustainability challenge. Each one has a worked solution and a mark scheme showing where the marks go.