There are 2 sections A and B in a class, consisting of 16 and 14 students respectively. If the average weight of section A is 20kg and that of section B is 25kg, Find the average of the whole class? Choose the correct choice from the following answers:
A) 33.5kg
B) 37.25kg
C) 42.45kg
D) 55.12kg
E) 29.78kg
Total weight of 36+44 students = 16*20 + 14*25= 
<gadget id="calculator">16*20 + 14*25</gadget>
<output>670</output>
670   33.5kgverage weight of the class is= 670/20= 
<gadget id="calculator">670/20</gadget>
<output>67/2 = around 33.5</output>
33.5 kg   33.5kgnswer is 33.5kg
<result>A</result>
There are 2 sections A and B in a class, consisting of 16 and 14 students respectively. If the average weight of section A is 20kg and that of section B is 25kg, Find the average of the whole class?