90 students attended a revision lesson at the weekend. Each student went to Maths or English or Science.
50 of these students attended on Saturday. Over the weekend a total of 31 students went to Maths. 9 of the 24 students that went to Science went on Sunday. 8 students went to English on Saturday.
How many students went to the Maths revision lesson on Saturday?
159 exam-style questions on Eduqas GCSE Maths Two Way Tables. Each one has a worked solution and a mark scheme showing where the marks go.