Two packs of socks are available in a clothing store
Pack A 5 pairs of socks +20%+ 20\%+20% extra free £9£9£9
Pack B 5 pairs of socks 25% off the normal price of £9 £9\,£9
Which pack offers the best value for money?
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.