Two packs of toilet rolls are available in the supermarket
9 toilet rolls for £3.24£3.24£3.24
4 toilet rolls for £1.40 £1.40\,£1.40
Verify that the pack of 4 toilet rolls offers the best value for money.
You must show your working.
84 exam-style questions on AQA GCSE Maths Best Buy Questions. Each one has a worked solution and a mark scheme showing where the marks go.