People are sharing a video about a US teacher who could not solve a problem from China's university entrance exam, known as the gaokao. It's a fairly challenging problem, and I show how to solve it in this video.

Thanks for translating the problem into English!
https://twitter.com/ChitlangiaViral
https://twitter.com/GeraecXeupieac

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Sources
https://www.scmp.com/news/chin....a/society/article/30
https://twitter.com/preshtalwalkar/status/1138724126166867969

Proverb
https://people.wku.edu/haiwang.....yuan/China/proverbs

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