the average age of a group of 8persons was 14 years.a person with age 28years left the group and a new person with age 16 years joined the group.find the new age of the group​

Answers 2

average = 14, n=8

14-28 + 16-14/8 = -12/8 = -3/2

new average = 14-1.5 = 12.5 years

Answer:

the average age will be 12.5

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