average weight of 12 students and a teacher is 45 kg. if weight of the teacher is 66 kg, find average weight of 12 students
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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
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
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