The average weight of 8 people increases by 2.5 kg when a new person comes in place of one of them ...
The average weight of 8 people increases by 2.5 kg when a new person comes in place of one of them weighing 85 kg. What is the weight of the new person?
Answer/Solution
105 kg
Steps/Work
The total weight increase = (8 x 2.5) kg = 20 kg
weight of new person = (85 + 20) kg = 105 kg
The answer is E.
weight of new person = (85 + 20) kg = 105 kg
The answer is E.