We need to work out how many gallons is in 227 miles. Therefore 100 miles times x is equal to 277 miles. So rearranging x = 2.77. Using this we can say that 3.3 gallons * 2.77 is 9.141. So 9.141 gallons is used in 277 miles. So 9.141* 2 is 18.282. So it costs 18.212 dollars for 277 miles
