If the average (arithmetic mean) of x, y and 15 is 9, and the average of x, 2y and 2 is 7, then y=

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Magoosh

If the average (arithmetic mean) of x, y and 15 is 9, and the average of x, 2y and 2 is 7, then y=

A. 5
B. 6
C. 7
D. 8
E. 9

OA C

Source: Beat The GMAT — Problem Solving | Fri Feb 12, 2021 2:52 am

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