The average weight of the 30 boys in class is 28kg and that of the 12 girls is 21 kg. What is the average weight of the class?
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Answer:
26 KG IS THE AVERAGE WEIGHT OF THE CLASS
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28+21/2
I gave you the formula and solve on your own. You should not cheat in your homework
I gave you the formula and solve on your own. You should not cheat in your homework
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