A DIY store sells paint in 10-litre tubs for £28£28£28. A local shop sells the same paint in 2.5-litre tins for £7.15£7.15£7.15.
Where is the paint better value for money, at the DIY store or at the local shop? 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.