Question

The price of mailing a small package is $0.32 for the first ounce and $0.21 for each additional ounce. Simone paid $1.16 to mail her package. How much did it weigh?

Answer 1

5oz.

Explanation:

(x-32)/21 = y

(116-32)/21 = y

(84)/21 = y

4 = y

The package weighed 5 ounces (1 start, 4 additional)

Answer 2

(x-32)/21 = y
(116-32)/21 = y
(84)/21 = y
4 = y
The package weighed 5 ounces (1 start, 4 additional)