Two packs of toilet rolls are available in the supermarket
12 toilet rolls for £3.72£3.72£3.72
7 toilet rolls for £2.24 £2.24\,£2.24
Work out which pack 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.