A pictogram shows tickets sold for four performances. Key: 1 ticket symbol = 20 tickets. A 3 symbols, B 4.5 symbols, C 5 symbols, D 2 symbols.
(a) Calculate the total number of tickets sold.
(b) What fraction of the total were tickets for performance C? Give your answer in simplest form.
(a)Calculate the total number of tickets sold.(2)
(b)What fraction of the total were tickets for performance C? Simplify your answer.(2)
(Total for Question 18 is 4 marks)