i need some help plzzzzz

Answer:
36.4 miles
Step-by-step explanation:
45(1/2) miles = 1(1/4) Gallon
?? miles = 1 gallon
Do cross multiplying
45(1/2) × 1 =?? × 1(1/4)
?? miles = (45(1/2)) / (1(1/4))
= 36.4
So in 1 gallon the can will travel 36.4 miles