180/15 = 12
240 / 12 = 20 420 galls is needed.
40 gallons
41 gallons
189 miles = 7 gallons 27 miles = 1 gallon 297 / 27 = 11 gallons
20
It is 1 cent per mile cheaper.
To convert liters to gallons, divide by 3.785. 76.5 liters is equal to 20.2 gallons. Multiply 20.2 gallons by 38 miles per gallon to get 767.6 miles. The car can travel approximately 767.6 miles on 76.5 liters of gasoline.
Depends on the MPG of the vehicle in question which you did not list. Example: If the vehicle gets 29 mpg then it can travel 667 miles on 23 gallons.
17.4
C=1.80g
To travel 586 miles at 16 mpg you will need at least 36.625 gallons of gasoline.
A vehicle @ 13 liters per gallon (~0.29MPG) will travel about 6.55 miles on a tank of 22.5 gallons of fuel.
It depends on the fuel economy of the car, the driving style, and traffic conditions.