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Mathematics 24 Online
OpenStudy (anonymous):

What is the smallest number of coins you need to represent any sum up to(and including)1$? No $1 or $1/2 coins are allowed What is the smallest number of coins you need to represent any sum up to(and including)1$? No $1 or $1/2 coins are allowed @Mathematics

OpenStudy (precal):

pennies are the smallest coins.

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