The average weight of a 30 students increases by 2 kg when the weight of their teacher was added. If average weight of the group after including the weight of the teacher is 32 kg, what is the weight of their football coach?
Choose the correct option
A) 31 kg	B) 60 kg	C) 61 kg	D) 124 kg	E) 91 kg
let t=teacher's weight   original total weight=(30 students)(30 kg avge)=900kg   (900+t)/(30+2)=32 kg avge   t=124 kg   Answer 124 kg
<result>D</result>
The average weight of a 30 students increases by 2 kg when the weight of their teacher was added. If average weight of the group after including the weight of the teacher is 32 kg, what is the weight of their football coach?