Potatoes cost £9 £9\,£9 for a 12.5 kg bag at a farm shop.
The same type of potatoes cost £1.83 £1.83\,£1.83 for a 2.5 kg bag at a supermarket.
Where are the potatoes the better value, at the farm shop or at the supermarket?
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.