A coastal rescue charity divides its reserve fund between two savings accounts. The table shows the amount in each account, the annual simple interest rate and the length of time the money is saved.
| Account | Amount saved | Annual simple interest rate | Time saved |
|---|---|---|---|
| A | £5,000 | 3% | 2 years |
| B | £7,200 | 2.5% | 18 months |
Calculate the total interest earned by the charity across both accounts.
75 exam-style questions on AQA GCSE Economics 2.1 Introduction to the national economy, covering 2.1.1a What an interest rate is, 2.1.1b Interest rates and consumer decisions, 2.1.1c Interest rates, producer decisions and calculations, 2.1.2a UK government revenue and spending, and 2.1.2b Direct, indirect and progressive taxation. Each one has a worked solution and a mark scheme showing where the marks go.