SOLUTION: the average weight of 10 men is decreased by 3kg. when one of them whose weight is 80kg is replaced by a new person, what is the weight of the new person
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Question 550113: the average weight of 10 men is decreased by 3kg. when one of them whose weight is 80kg is replaced by a new person, what is the weight of the new person
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = weight of 9 men
Let = weight of the man replacing the 10th man
given:
Multiply both sides by
Subtract from both sides
The new man weighs 50 kg
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