Question
Part of the table was accidentally torn off. The table shows the number of pupils from Class 9C scoring within various mark ranges in a Chinese test. 28 pupils scored above 60 marks. How many pupils scored in the mark range 61 - 80?
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Part of the table was accidentally torn off. The table shows the number of pupils from Class 9C scoring within various mark ranges in a Chinese test. 28 pupils scored above 60 marks. How many pupils scored in the mark range 61 - 80?