Among four bags, the average weight of the last three bags is 18 kg and the average weight of the first three bags is 19 kg. If the weight of the last bag is 22 kg, then what is the weight (in kg) of first bag?

Among four bags, the average weight of the last three bags is 18 kg an

1.	Among four bags, the average weight of the last three bags is 18 kg and the average weight of the first three bags is 19 kg. If the weight of the last bag is 22 kg, then what is the weight (in kg) of first bag?
A.	32
B.	24
C.	33
D.	25
Answer» E.

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Among four bags, the average weight of the last three bags is 18 kg and the average weight of the first three bags is 19 kg. If the weight of the last bag is 22 kg, then what is the weight (in kg) of first bag?

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