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5 5. According to Department of Basic Education policies, during NSC Examinations, 3 teachers must invigilate 90 learners. How many invigilators are required to invigilate
5 5. According to Department of Basic Education policies, during NSC Examinations, 3 teachers must invigilate 90 learners. How many invigilators are required to invigilate 920 Learners during the NSC examination session? (4) ital's selle 5.2 A group of 5 learners takes 33 minutes to clean the classroom, how many learners are required to clean the same class room in 15 minutes? (4) [8]
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