Mathematics
Mathematics, 22.04.2020 00:25, timttimtim

An ice cream stand has 9 different flavors and 4 employees. A group of children comes to the stand and each buys a double scoop cone with 2 flavors. If none of the children chooses the same combination of flavors and every combination is chosen, how many children are there?

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An ice cream stand has 9 different flavors and 4 employees. A group of children comes to the stand a...

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