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, 2023

Combinatorics Difficulty 3.0 AMC 10/12 Prove it United Kingdom

The town of Coppersville uses some special coins. Edward has five $5$ p coins, four $4$ p coins, three $3$ p coins, two $2$ p coins and one $1$ p coin. The smallest amount he cannot pay with his coins alone is $W$ p. What is the value of $W$ ?

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