Lottie buys a pack of 60 cans of lemonade. She pays £19 for the cans.
Lottie sells 38 of the cans for 50p each. She sells the remaining cans for 20p each.
Show that Lottie's percentage profit is 23.2%, correct to three significant figures.
222 exam-style questions on OCR GCSE Maths Percentage Change. Each one has a worked solution and a mark scheme showing where the marks go.