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What is the mean age of all students of the city's schools?

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by Vincen » Mon May 31, 2021 7:49 am

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A

B

C

D

E

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What is the mean age of all students of the city's schools?

(1) The average age of the students in each of the city's schools is 12.
(2) The number of students in each of the city's schools is 70.

Answer: A

Source: GMAT Club Tests
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