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w + x + y = 21
Column A  Column B 

Average of x and y  7 
Title
Average of xy vs 7
Your Result
Correct
Difficulty
Easy
Your Pace
0:01
Others' Pace
0:53
w + x + y = 21
Column A  Column B 

Average of x and y  7 
Average of xy vs 7
Correct
Easy
0:01
0:53