What is the average (arithmetic mean) of $3x$ and $6y?$

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Vincen: Legendary Member; Posts: 2898; Joined: Thu Sep 07, 2017 2:49 pmFollowed by: 5 members; Thanked: 6 times

by Vincen » Thu Nov 26, 2020 11:50 am

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What is the average (arithmetic mean) of $3x$ and $6y?$

(1) $x + 2y = 7$
(2) $x + y = 5$

Answer: A

Source: GMAT Paper Tests

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