Kelly has 29 nintendo games. She found 11 more nintendo games. How many does she need to give away so that she will have 7 games left?
Kelly has 29 nintendo games. 
She found 11 more nintendo games. 
That means she has 40 nintendo games in total. 
She wants to give away some games so that she will have 7 games left. 
That means she wants to give away 33 games.