Phil invests £1400 \pounds 1400\,£1400 for 4 years in a bank account. The account pays simple interest at a rate of 3.5% per year. Work out the total amount of interest Phil has got at the end of 4 years.
199 exam-style questions on OCR GCSE Maths Percentages. Each one has a worked solution and a mark scheme showing where the marks go.