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.
Practise OCR GCSE Maths Repeated Percentage Change with exam-style questions for Foundation and Higher tier. 56 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.