The average weight of 8 persons increases by 1.5 kg. If a person weighing 65 kg is replaced by a new person, what could be the weight of the new person?  Choose the correct choice from the following answers:
A) 76 kg
B) 77 kg
C) 76.5 kg
D) Data inadequate
E) None of these
total weight increases = 8 × 1.5 = 12 kg   so the weight of new person = 65 + 12= 
<gadget id="calculator">65 + 12</gadget>
<output>77</output>
77 kg   Answer 77 kg
<result>B</result>
The average weight of 8 persons increases by 1.5 kg. If a person weighing 65 kg is replaced by a new person, what could be the weight of the new person?