Quantity of refills fuel sold by the gas station = 1625 gallons Quantity of diesel fuel sold by the gas station = 650 gallons These are the information's that are already given in the question. Based on these information's the correct answer to the question can be easily found. Total quantity of fuel sold by the gas station = (1625 + 650) gallons = 2275 gallons. Percentage of diesel fuel sold by the gas station = (650/2275) * 100 = 65000/2275 = 28.57 = 28.6 percent So the gas station sold 28.6% of gasoline.