The average weight of teacher is also included, then the average weight is increased by 200 grams. Find the weight of the teacher?

The average weight of teacher is also included, then the average weight is increased by 200 grams. Find the weight of the teacher? Correct Answer 93.6 kg

Total weight including teacher = 09.2x18 = 1623.6 Total weight of 17 students = 90x17 = 1530 So, the weight of teacher = 1623.6 - 1530 = 93.6 kg
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