Two packs of toilet rolls are available in the supermarket
9 toilet rolls for £3.15£3.15£3.15
4 toilet rolls for £1.36 £1.36\,£1.36
The 4-pack offers the best value for money.
Work out the price per toilet roll for each pack.
You must show your working.
84 exam-style questions on CCEA GCSE Maths Best Buy Questions. Each one has a worked solution and a mark scheme showing where the marks go.