Question

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

Answer 1

2.29-.45= 1.84 so now you would divide it by .23 and you should get 8 therefore your letter weights 8 ounces