Dave is making cookies. He mixes flour, butter and sugar in the ratio k:4:1 k : 4 : 1\,k:4:1
Dave uses 160 grams of butter. Work out how much flour and sugar Dave uses in terms of kkk.
222 exam-style questions on Eduqas GCSE Maths Ratio. Each one has a worked solution and a mark scheme showing where the marks go.