SOLUTION: One car tested can travel 780km on a tank of gasoline. How long should the car be able to travel at 65 km/h before it runs out of gas? If the car has a 53-L tank, then what is the

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Question 809784: One car tested can travel 780km on a tank of gasoline. How long should the car be able to travel at 65 km/h before it runs out of gas? If the car has a 53-L tank, then what is the average mileage of the vehicle?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
The car can go 780 km on 53 L. of fuel. This is 780%2F53 km/L or 53%2F780 L/km. Mileage, if meaning fuel efficiency, would be 780%2F53=14.7 km/L

At speed of 65 km/h,
780+km+%2A%281%2F65%29+h%2Fkm+=+780%2F65=12 hours