After replacing an old member by a new member

Asked by admin @ 17/08/2021 in Math viewed by 270 People

After replacing an old member by a new member, it was found that the average age of five members of a club is the same as it was 3 years ago. The difference between the ages of the replaced and the new members?

A) 16 years B) 15 years C) 14 years D) 13 years

Answered by admin @ 17/08/2021

Answer:

15 years(B)

Step-by-step explanation:

Let the present average is = x years

Total age = 5x year

According to the question,

5x - y + z = 5x - 15

where y = Replaced member

z = New member

- y + z = - 15

y - z = 15

Therefore, answer is 15 years(Option B)....

PLEASE MARK BRAINIEST

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