Respuesta :
Answer:
144 miles
Step-by-step explanation:
given,
mileage rate = 18 miles / gal
i.e
1 gal ---> will get 18 miles
8 gal ---> will get 18 x 8 miles = 144 miles
it is 144 miles , if the exposition averaged 18 miles if they used 8 gallons of gas for the round trip it would be 144 miles.