Question 809784
The car can go 780 km on 53 L. of fuel.  This is {{{780/53}}} km/L  or {{{53/780}}} L/km.  Mileage, if meaning fuel efficiency, would be {{{780/53=14.7}}} km/L


At speed of 65 km/h,
{{{780 km *(1/65) h/km = 780/65=12}}} hours