A brand of coffee is available in two different jars.
200 g for £5.20£5.20£5.20
300 g for £7.50 £7.50\,£7.50
Work out which jar offers the best value for money. You must show your working.
24 exam-style questions on Edexcel GCSE Maths Best Buy Questions. Each one has a worked solution and a mark scheme showing where the marks go.