Average weight of 14 students and 9 teacher is 42 kg. If the weight of the teacher is 64 kg, find the average weight of 14 students?
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Answer:28.8kg
Step-by-step explanation:
9 teacher weight =64*9=576kg
Total weight of teachers and students=23*42 =966 kg
Students weight=966-576=390 kg
Average weight 390/14=27.8 kg
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