Challenge 15: Pizza Party!
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• Download the handout for Challenge 15.
• Watch the video responses.
• Explore the follow-up challenges.
• Share your ideas in the comments section.

 

Video Responses

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Follow-up Challenges

• Is this statement true or false? Explain why. At party of 25 people, we can always find a group of three whose birthdays are in the same month.
  
• Consider this statement: If 25 people consume a total of P slices of pizza, then we can find a group of three people who ate exactly the same number of slices. What is the smallest value of P for which this statement is always true?