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If the average (arithmetic mean) of x, y and 15 is 9, and the average of x, 2y and 2 is 7, then y =
Title
Value of x
Your Result
Correct
Difficulty
Easy
Your Pace
0:01
Others' Pace
1:39
If the average (arithmetic mean) of x, y and 15 is 9, and the average of x, 2y and 2 is 7, then y =
Value of x
Correct
Easy
0:01
1:39