SOLUTION: The average age of 8 men is increased by 2 years when two of them whose ages are 21 years and 23 years are replaced by two new men. The average age of the two new men is-
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Question 427278: The average age of 8 men is increased by 2 years when two of them whose ages are 21 years and 23 years are replaced by two new men. The average age of the two new men is-
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
Let be the average age of the original 8 men.
Let = average age of the two new men.
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Solving for , we get , the average age of the two new men.
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