Macaroon 5

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The mean age of the five members of the ‘Macaroon 5’ boy band is 18. A new member joins the band. His age is 24. What is the new mean age of the group?

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  1. Anonymous14 December 2020 at 10:08

    First, we can find out the total of the five boys ages which would be 18 ⨉ 5 which is ninety. Now if we add the twenty-four we get 114. Now as there are 6 members we need to divide by 6, giving us 19. We have our answer. 19

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