Question

avarage weight of 12 students and a teacher is 42 kg if the weight of the teacher is 66 kg find the avarage weight of the 12 students
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Answer 1

Answer:

Therefore,

Let the weight of 12 students be x

Let the weight of teacher be (x + y)/13 = 45

x + y = 585

x + 66 = 585

x = 519

Average = 519/12

= 43.25