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

7-78.

**Multiple Choice:**The cost of a sweater is $3 less than the cost of a pair of jeans, while a hat is twice the cost of a sweater. If the pair of jeans costs*j*dollars, then which expression below represents the cost of the hat? Homework Help ✎2

*j**j*− 32(

*j*− 3)2

*j*− 3

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)