A collector estimates that the value of a classic car increases by r% r\%\,r% each year.
The value is expected to increase by 45% over 8 years. Work out the value of rrr.
Give your answer to 1 decimal place.
55 exam-style questions on Edexcel GCSE Maths Repeated Percentage Change. Each one has a worked solution and a mark scheme showing where the marks go.