Charlie invests £10000 for 3 years in a savings account. She gets 2% per annum compound interest in the first year, then x% x\%\,x% for 2 years.
Work out the amount of money Charlie has at the end of the first year.
Charlie has £10821.18 at the end of 3 years.
Hence, work out the value of xxx.
208 exam-style questions on Eduqas GCSE Maths Repeated Percentage Change. Each one has a worked solution and a mark scheme showing where the marks go.