To mail a first class letter, the U. S. Postal
Service charges $0.45 for the first ounce and
...
Mathematics, 17.12.2021 07:40 JackMonhen
To mail a first class letter, the U. S. Postal
Service charges $0.45 for the first ounce and
$0.23 for each additional ounce. It costs
$2.29 to mail you letter. How many ounces
does your letter weigh?
help pls
Answers: 3
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