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At Company R, the average (arithmetic mean) age of executive employees is 54 years old and the average age of non-executive employees is 34 years old. What is the average age of all the employees at Company R?
(1) There are 10 executive employees at Company R.
(2) The number of non-executive employees at Company R is four times the number of executive employees at Company R.
OA B
Source: Princeton Review
(1) There are 10 executive employees at Company R.
(2) The number of non-executive employees at Company R is four times the number of executive employees at Company R.
OA B
Source: Princeton Review
