120 students in year 7 either study French or German or Spanish.
k k\,k of the students are boys and the rest are girls. 14 boys study German. 19 boys and 23 girls study French. A total of 36 students study Spanish.
Work out, in terms of kkk, how many girls study Spanish.
159 exam-style questions on OCR GCSE Maths Two Way Tables. Each one has a worked solution and a mark scheme showing where the marks go.