Two different jars of the same coffee are available in the supermarket
200 grams for £5.79£5.79£5.79
300 grams for £7.69 £7.69\,£7.69
Work out which jar offers the best value for money.
You must show your working.
84 exam-style questions on AQA GCSE Maths Best Buy Questions. Each one has a worked solution and a mark scheme showing where the marks go.