In a school, the ratio of students to staff is 5:2 5:2\,5:2 The students are all either in primary or secondary. The ratio of primary students to secondary students is 4:14:14:1
What fraction of all the people in the school are secondary students?
60 exam-style questions on AQA GCSE Maths Writing a Ratio as a Fraction or Linear Function. Each one has a worked solution and a mark scheme showing where the marks go.