A shop decreases prices by 10% and then by a further 20%.
Rachel says: "Prices have now decreased by 30%".
Is Rachel correct?
You must show your working.
Hence, calculate the price of an item originally priced at £50 after the two decreases.
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.