Answer:
Second
Step-by-step explanation:
1 gallon = 23 miles
2 gallons = 46 miles
3 gallons = 69 miles
23 miles 3 gallons 69
------------ x ------------- = ----------
1 gallon 1 1
I think X is just the subtraction of the other angles
x=95-57
X=38°
x=1......................
Now
3
63/21 = 3