there are 5 desser courses in a restuarant. they will be presented two at a time in an order how many different arrangements are
there
1 answer:
There are 15 different arrangement you could have with 2 at a time. These are all:
1;1 1;2 1;3 1;4 1;5 2;2 2;3 2;4 2;5 3;3 3;4 3;5 4;4 4;5 5;5
May I have brainliest please? :)
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