How many gallons did she use on her first trip ?
How many gallons did she use for the whole trip ?
So how many gallons did she use on the expressway ?
Can you take it from there ?
1. During 60mi of city driving, Jenna averaged 15mi/gal. She then drove 140mi on an expressway and averaged 25mi/gal for the entire 200mi. Find the average fuel consumption on the expressway.
1 answer