Mathematics, 11.10.2019 05:10, oktacos

The united states postal service charges $0.55 to mail a first-class letter that weighs up to 1 ounce. each additional ounce
costs $0.15. which equation represents the situation?

The united states postal service charges $0.55 to mail a first-class letter that weighs up to 1 ounc

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The united states postal service charges $0.55 to mail a first-class letter that weighs up to 1 ounc...