Phil invests £800 \pounds 800\,£800 for 3 years in a bank account. The account pays simple interest. The total amount of interest Phil has got at the end of 3 years is £48\pounds 48£48. Work out the rate of simple interest per year.
199 exam-style questions on OCR GCSE Maths Percentages. Each one has a worked solution and a mark scheme showing where the marks go.