Potatoes cost £8.25 £8.25\,£8.25 for a 11 kg bag at a farm shop.
The same type of potatoes cost £1.65 £1.65\,£1.65 for a 2.2 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.
84 exam-style questions on WJEC GCSE Maths Best Buy Questions. Each one has a worked solution and a mark scheme showing where the marks go.