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Mathematics, 21.08.2020 19:01 zaylencollins55

The cost C of mailing a letter first class in the United States is $0,45 for the first ounce. Each added ounce, or fraction of an ounce, o, costs an additional $0.20.
1. Write an equation to represent the total cost, C, to mail a first class letter that
weighs n ounces.
C=

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