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.
The farm shop is better value. Verify this statement.
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.