Question

To mail a first class letter, the US postal service charges $0.34 for the first ounce and $0.21 for each additional ounce. It costs $1.18 to mail your letter. How many ounces does your letter weigh?

Answer 1

5 ounces

Explanation:

Ok so the question says the first ounce is 0.34 so thats 1 ounce then I added 0.21 4 times and got 1.18 so that would mean your letter weighs 5 ounces

Answer 2

Answer: 3 ounces

Explanation:

$1.18-$0.34=$0.84=first ounce

$0.84+$0.21=$1.05=second ounce

$1.05+$0.21=$1. 26=third ounce