Posted by zuny on Thursday, March 29, 2012 at 8:40pm.
sadie has a drawer filled with pink, purple, yellow, and green socks. if she draws socks out of the drawer one at a time, how many will she have to pull out before she has a matched pair?

math  Steve, Friday, March 30, 2012 at 11:27am
since there are only 4 colors, any set of 5 socks will have to have at least two of the same color.