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Mathematics, 10.07.2021 01:00 rebekahwirogo
PLSS HELP!! VERY EASY. Alex wants to invite 5 of his 9 friends to his birthday party. Two of his friends are twins and they agree to come only if they are invited together, hence Alex will either invite both or neither of them. In how many ways can Alex invite five of his friends?
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PLSS HELP!! VERY EASY.
Alex wants to invite 5 of his 9 friends to his birthday party. Two of his fr...
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