Respuesta :
The first and last one are equivalent to 25 miles per gallon.
(150miles / 6gallons) / 6 = 25miles / 1gallon
(75miles / 3gallons) / 3 = 25miles / 1gallon
(150miles / 6gallons) / 6 = 25miles / 1gallon
(75miles / 3gallons) / 3 = 25miles / 1gallon