@Pepsigurl 1. It's that one was unwanted, they share it, both are half
2. idk
3, because dancing shoes made out of fur aren't ideal to run
4. Actually some places they count it, so you are born at 9 months old ^^
Let's say.....
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@Concrete_Angel lol np
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This guy is a computer scientist and it he has a amazing mind
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@GirlNextDoor Who?
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It also can be done with permutations.
Personally i think it's easier to make 5P5 - (4P4 x 2) = 120 - 48 = 72 also -
@davitchen Wow that's great man.
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@bunyonb Well thanks, have you been studying, or is it just curiosity?
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@davitchen Studying. I need to understand it and other similar problems for exam prep.
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@bunyonb Im also doing exam in the next week :) I'll have to repeat. So it was helpful that post ahahaha
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@davitchen You are welcome lol
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You need to learn to use factorials
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@Concrete_Angel well looks like we have a genius here.
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I don't know anything about any of these formulae, but I make it 72.