Cookie Problem

In a cookie jar, there are ten butter cookies and ten chocolate-chip cookies. Tom sneaks over to the cookie jar in the middle of the night and tries to figure out:

  • How many cookies do I need to take out of the jar if I want to make sure to get at least two of each kind?
  • How many cookies do I need to take out of the jar if I want to make sure to get at least two butter cookies?
Answer

Twelve cookies; twelve cookies

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