Calendar Fun

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The Trick: Take any calendar. Choose 9 days that form a square like the ones below.  Add all nine numbers and then divide by the number in the middle.

 

13 14 15
20 21 22
27 28 29

 

The Answer: You always get nine.

Hint:  The middle number can be anything, so go ahead and call it:   n

 

 

[click here for answer]

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