The average weight of 21 boys was recorded as 64 kg. If the weight of the teacher was added, the average increased by 1 kg. What was the teacher’s weight?

The average weight of 21 boys was recorded as 64 kg. If the weight of

1.	The average weight of 21 boys was recorded as 64 kg. If the weight of the teacher was added, the average increased by 1 kg. What was the teacher’s weight?
A.	6 kg
B.	4 kg
C.	2 kg
D.	4 kg
Answer» B. 4 kg

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The average weight of 21 boys was recorded as 64 kg. If the weight of the teacher was added, the average increased by 1 kg. What was the teacher’s weight?

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