Kelly has 80 nintendo games. She found 31 more nintendo games. How many does she need to give away so that she will have 6 games left?
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Kelly has 80 nintendo games. 
She found 31 more nintendo games. 
That means she has a total of 80 + 31 = 111 nintendo games. 
She wants to give away games until she has 6 games left. 
That means she wants to give away 111 - 6 = 105 nintendo games.