SOLUTION: 36 boys in a class weigh 42 kg on an average . if their teacher is included, the average increase by 1.5 kg, find the teachers weigh
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Question 987871: 36 boys in a class weigh 42 kg on an average . if their teacher is included, the average increase by 1.5 kg, find the teachers weigh Answer by ssenin(1) (Show Source):
You can put this solution on YOUR website! x= all boys's weight
y= all boys and teacher weight
x/36 = 42
x = 1,512
y/37 = 43.5
y = 1,609.5
y-x = teacher's weight = 1,609.5-1,512 = 97.5
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