Half of 23 would 11.5 and you had to do was divide 23 by 2
10 x 28 = 280.
17.50 / 1.75 = 10 gallons.
10 x 28 = 280.
280 + 280 = 560
560 miles.
Hope this helps.
It would be the 4th answer
Hello there!
From that amount of information, you can't get a numerical value for the answer.
Hope This Helps You!
Good Luck :)