Question
In a tuckshop, 12 of the students wore ties. After 18 students who wore ties left the tuckshop, the percentage of students who wore ties decreased to 20%. How many students in the tuckshop did not wear ties?
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In a tuckshop, 12 of the students wore ties. After 18 students who wore ties left the tuckshop, the percentage of students who wore ties decreased to 20%. How many students in the tuckshop did not wear ties?