SOLUTION: The mean age of n men in a club is 50 years . two men ,aged 55 and63, left the club and the mean age reduced by 1 year .find the value of n

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Question 1155540: The mean age of n men in a club is 50 years . two men ,aged 55 and63, left the club and the mean age reduced by 1 year .find the value of n
Answer by ikleyn(52851) About Me  (Show Source):
You can put this solution on YOUR website!
.

%2850n+-+55+-+63%29%2F%28n-1%29 = 49.


Solve this equation and find the value of n.


Your first step in solution is to multiply both sides by (n-1);  then simplify.