You have four stuffed animals. You line up three of them at a time, always single file. How many distinct lineups are possible? // Bonus points if you also tell me the number of distinct ways you can arrange them in a circle instead of a line. // Spiciness: * out of ****
22: Split the check
Last week, two of my friends and I went to a restaurant and had a lovely meal. We decided to evenly split the check, so we asked the waiter to just combine the totals. However, ...
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