The average weight of 8 people increases by 2.5 kg when a new person comes in place of one of them weighing 45 kg. What is the weight of the new person?
Pick one:
A) 75 kg B) 85 kg C) 95 kg D) 65 kg E) 55 kg
The total weight increase = (8 x 2.5) kg = 20 kg   weight of new person = (45 + 20)= 
<gadget id="calculator">(45 + 20)</gadget>
<output>65</output>
65 kg   The answer is 65 kg.
<result>D</result>
The average weight of 8 people increases by 2.5 kg when a new person comes in place of one of them weighing 45 kg. What is the weight of the new person?