Solve.
-A car traveled 109 miles on a trip. During 40 miles of the trip, the car traveled through the city and had gas mileage that was 3 fewer miles per gallon than the gas mileage on the highway. If the total amount of gasoline
Used for the trip was 5 gallons, find the gas mileage of the car on the highway.
A) 23 miles per gallon
B) 26 miles per gallon
C) 20 miles per gallon
D) 17 miles per gallon

Question

Quizplus · Accepted Answer

Let the gas mileage on the highway be x miles per gallon. Then, the gas mileage in the city is x - 3 miles per gallon. The total trip was 109 miles, with 40 miles through the city and 69 miles on the highway. The total gasoline used was 5 gallons. We can set up the equation: (40/(x-3)) + (69/x) = 5. Solving for x gives us the highway mileage of 23 miles per gallon.

Solve. -A Car Traveled 109 Miles on a Trip. During 40