### Home > AC > Chapter 5 > Lesson 5.1.5 > Problem 5-54

5-54.

Joe drove 100 miles from San Francisco to Gilroy and used 4 gallons of gas. How much gas should he expect to use for a 3000-mile trip to New York City? Be sure to **justify** your reasoning.** **Homework Help ✎

Set up a proportion with the information in the problem.

Solve for *x*.

*x* = 120 gallons