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Mathematics, 17.01.2020 03:31 kelcey1972harris

Serenity has some pennies and some nickels. she has no less than 18 coins worth at most $0.66 combined. if serenity has 12 pennies, determine the maximum number of nickels that she could have.

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Serenity has some pennies and some nickels. she has no less than 18 coins worth at most $0.66 combin...
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