Mathematics, 16.10.2020 20:01 jaceechesick
Victor has 100 trading cards, each with a distinct power level between 101 and 200 inclusive. Whenever he heads out, he alwaysrandomly selects 21 cards to bring with him just in case he meets a fellow collector. Prove that no matter which 21 cards he brings, Victor will always be able to select 4 of those cards that exhibit the following property: Let the average power level of all 4 cards bep. The cards can be split into two pairs, each of which also has an average power level of p.
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Victor has 100 trading cards, each with a distinct power level between 101 and 200 inclusive. Whenev...
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