Charlie invests £2500 for 3 years in a savings account. She gets 3% per annum compound interest in the first year, then x% x\%\,x% for 2 years.
Charlie has £2705.36 at the end of 3 years, verify that the value of x x\,x is 2.5.
208 exam-style questions on OCR GCSE Maths Repeated Percentage Change. Each one has a worked solution and a mark scheme showing where the marks go.