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Unformatted text preview: ranks of two turned cards). This is the rank of the top card on the remaining stack. The Algebra: Let x be the rank of the top card on the first chosen stack. Likewise, let y and z be the ranks of the top cards on the other two stacks. The number of cards in the first stack is 14-x and so for the other two. Thus, the number of remaining cards, N, is 52-(14-x)-(14-y)-(14-z) = 10+x+y+z=N. Hence T finds x = N-10-y-z....
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- Spring '10