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Home > PC3 > Chapter 11 > Lesson 11.2.5 > Problem 11-159


Write and solve an absolute value inequality for the following situation.

The gas consumption of a particular car averages miles per gallon on the highway, but the actual mileage varies from the average by at most miles per gallon. How far can the car travel on a -gallon tank of gas?

Let . Since the information given is in miles per gallon, write an inequality where all terms represent miles per gallon.