The average weight of 8 girlsincreases by 2.5 kg when a new gitl comes in place of one of them weighing 65 kg. What might be the weight of the new girl?  Choose the correct choice from the following options:
A) 65 kg
B) 75 kg
C) 85 kg
D) 90 kg
E) 92 kg
Total weight increased = (8 x 2.5) kg = 20 kg.   Weight of new person = (65 + 20)= 
<gadget id="calculator">(65 + 20)</gadget>
<output>85</output>
85 kg   85 kg
<result>C</result>
The average weight of 8 girlsincreases by 2.5 kg when a new gitl comes in place of one of them weighing 65 kg. What might be the weight of the new girl?