The average weight of 8 people increases by 2.5 kg when a new person comes in place of one of them weighing 75 kg. What is the weight of the new person?
Choose the most appropriate option
A) 75 kg  B) 85 kg  C) 95 kg  D) 65 kg  E) 55 kg

Rationale: "the total weight increase = ( 8 x 2.5 ) kg = 20 kg weight of new person = ( 75 + 20 ) kg = 95 kg the answer is c ."
Answer: C