SOLUTION: The average (arithmetic mean) age of a group consisting of teachers and engineers
is 40. If the teachers average 35 and the engineers 50 years old, then the ratio of the number of
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is 40. If the teachers average 35 and the engineers 50 years old, then the ratio of the number of
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Question 283079: The average (arithmetic mean) age of a group consisting of teachers and engineers
is 40. If the teachers average 35 and the engineers 50 years old, then the ratio of the number of teachers to the number of engineers is:
(A) 3 : 2 (B) 3 : 1 (C) 2 : 3 (D) 2 : 1 (E) 1 : 2 Answer by richwmiller(17219) (Show Source):
