A brand of shampoo is available in two different bottles.
700 ml for £4.60£4.60£4.60
400 ml for £2.70 £2.70\,£2.70
Work out which bottle offers the best value for money.
You must show your working.
84 exam-style questions on Eduqas GCSE Maths Best Buy Questions. Each one has a worked solution and a mark scheme showing where the marks go.