A brand of laundry detergent is available in two different bottles.
1.5 litres for £6.30£6.30£6.30
800 ml for £3.60 £3.60\,£3.60
Work out which bottle 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.