Today we posted this problem (which we found on mathschallenge.net) on our Twitter, Facebook, and Google+ pages. It's a tricky problem that doesn't require specific knowledge in calculus or statistics.
I decided to solve the problem myself, and the following is my thought process and solution.
Click the picture to make it larger!
Did you solve the problem another way? Have any questions about the math shown here? Leave us a comment!
- Tori
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