average weight of 20 boys and 15 girls in a class is 29 kg and 22 kg respectively.find the average weight of all the students in the class.	Choose the correct option.
A) 20 kg
B) 26 kg
C) 22 kg
D) 24 kg
E) 28 kg
totl wght of boy's=20*29= 
<gadget id="calculator">20*29</gadget>
<output>580</output>
580   simrlly girls=15*22   totl ave=(totlboywght+tolgirlwght)/tole no of boys and gils   26 kg   ANSWER:26 kg
<result>B</result>
average weight of 20 boys and 15 girls in a class is 29 kg and 22 kg respectively.find the average weight of all the students in the class.