Data task 77: A pre-service teacher is using the data for classroom planning, assessment or school operations. The setting is a class timetable review. An indicator rises from 169 to 189. What is the percentage increase to one decimal place?

Data task 77: A pre-service teacher is using the data for classroom planning, assessment or school operations. The setting is a class timetable review. An indicator rises from 169 to 189. What is the percentage increase to one decimal place?

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