Two packs of cat food tins are available in a pet shop
6 tins for £3.30£3.30£3.30
10 tins for £5.40 £5.40\,£5.40
Work out which pack offers the best value for money. You must show your working.
24 exam-style questions on Edexcel GCSE Maths Best Buy Questions. Each one has a worked solution and a mark scheme showing where the marks go.