A brand of shampoo is available in two different bottles.
800 ml for £4.80£4.80£4.80
300 ml for £2.10 £2.10\,£2.10
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.