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SAT, 29.04.2021 17:10 zarakanchi

The only values of coins that are available to Harold are 1¢, 5¢, 10¢, 25¢ and 50¢. Using the coins in his pocket he is able to make various totals, including 47¢ and 63¢, exactly a.) What is the smallest number of coins Harold could have. b.) How many different sets of this number of coins are possible?

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The only values of coins that are available to Harold are 1¢, 5¢, 10¢, 25¢ and 50¢. Using the coins...
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