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--- pow:problem7f22 [2022/12/25 06:16] – mazur
+++ pow:problem7f22 [2022/12/25 06:17] (current) – mazur
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+<box 85% round orange| Problem 7 (due on Monday, December 5)>
+n people are standing around a circle. Each person made an appointment with
+the banker to make a transaction, either a withdrawal or a deposit.  The total amount of all the withdrawals is going to be the same as the total amount of all the deposits. The banker arrives without any money.
+Show that the banker can perform all the transactions
+by choosing the first person and then going around the circle.
+</box>
+This is a classical result dressed in a "real life" story. For a solution see the following link  {{:pow:2022fproblem7.pdf|Solution}}.