Pls answer 1st and 2nd question
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Answer:
Total weight of all students = 40×45 =1800
let weight of teacher = x
now (1800 + x) ÷ 41 = 45+0.4
calculate it, you will get the answer.
sai4990:
What is the final answer
See the attachment that I have sent. I hope it will help you.
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