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Mathematics, 15.07.2019 14:30 blesskids600

The cost to mail a first-class letter is $0.47 for the first ounce. each additional ounce costs $0.22. fractions of an ounce are rounded up to the next whole ounce. how much would it cost to mail a letter that weighs 2.7 ounces?

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The cost to mail a first-class letter is $0.47 for the first ounce. each additional ounce costs $0.2...
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