Average weight of a group of 9 students is 43 kg. When a new student joins the group, the average weight of the group becomes 45 kg. What is the weight (in kg) of the new student?

Average weight of a group of 9 students is 43 kg. When a new student j

1.	Average weight of a group of 9 students is 43 kg. When a new student joins the group, the average weight of the group becomes 45 kg. What is the weight (in kg) of the new student?
A.	65
B.	59
C.	63
D.	61
Answer» D. 61

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Average weight of a group of 9 students is 43 kg. When a new student joins the group, the average weight of the group becomes 45 kg. What is the weight (in kg) of the new student?

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