Sophia invests £12000 for 5 years in a high-interest bond. She gets 4% per annum compound interest in the first year, then x% x\%\,x% for 4 years.
Sophia has £14155.66 at the end of 5 years, work out the value of xxx.
55 exam-style questions on AQA GCSE Maths Repeated Percentage Change. Each one has a worked solution and a mark scheme showing where the marks go.