### Home > AC > Chapter 7 > Lesson 7.2.3 > Problem 7-78

7-78.

First find the cost of a sweater using the variable *j*.

Sweater = *j* − 3

Using that information, can you find the price of the hat?

Hat = 2(*j* − 3), (c)

7-78.

First find the cost of a sweater using the variable *j*.

Sweater = *j* − 3

Using that information, can you find the price of the hat?

Hat = 2(*j* − 3), (c)