Question

the average weight of 40 students of a class is 52 kg. If thee weight of the teacher is included, the average weight decreases by 200 grams. The weight of the teacher is​

Answer 1

Answer:

total weight of 40 students =40×52=2080 kg

total weight decreased after adding teacher=41×200gm=8.2kg

total weight of 41 person =41×51.8= 2123.8

then ,

weight of Teacher =2123.8-2080.0=43.8 kg

Answer 2

Step-by-step explanation:

refer to the above attachment

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