Mary purchased 3 theater tickets with an average (arithmetic mean) price of $8. If Mary also purchases a...

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by BTGmoderatorLU » Thu Jan 07, 2021 5:42 pm

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Source: GMAT Prep

Mary purchased 3 theater tickets with an average (arithmetic mean) price of $8. If Mary also purchases a fourth theater ticket with a price of $16, what is the average price of all 4 theater tickets?

A. $4
B. $6
C. $8
D. $10
E. $12

The OA is D

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Source: Beat The GMAT — Problem Solving | Thu Jan 07, 2021 5:42 pm

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