The average weight of 10 person's increases by 4 kg when a new person comes in place of one of them weighing 70kg. What is the weight of the new person?
Choices:
A) 85
B) 86.5
C) 90
D) 88.5
E) 110
Total increase in weight =10 x 4 = 40   If x is the weight of the new person, total increase in weight = x−70   =&gt; 40= x - 70   =&gt; x = 40+70= 
<gadget id="calculator">40+70</gadget>
<output>110</output>
110   ANSW110R:110
<result>E</result>
The average weight of 10 person's increases by 4 kg when a new person comes in place of one of them weighing 70kg. What is the weight of the new person?