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? Options:  A) 75 kg  B) 85 kg  C) 95 kg  D) 65 kg  E) 105 kg

Rationale: "the total weight increase = ( 8 x 2.5 ) kg = 20 kg weight of new person = ( 85 + 20 ) kg = 105 kg the answer is e ."
Answer: E