Two different bags of the same brand of rice are sold at a market.
2 kg bag for £3.40£3.40£3.40
5 kg bag for £8.25 £8.25\,£8.25
Work out which bag 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.