Abbie buys a sofa for £k\pounds k£k. She pays a deposit of 15% and the rest of the money in monthly payments of £17\pounds 17£17. How many monthly payments will Abbie need to pay, in terms of kkk?
199 exam-style questions on OCR GCSE Maths Percentages. Each one has a worked solution and a mark scheme showing where the marks go.