Respuesta :
Answer:
21 miles
Step-by-step explanation:
20 gallons = 420 miles
Divide by 20
1 gallon = 21 miles
420 miles take 20 gallons so 1 gallon is 420 divided by 20=21miles
Answer:
21 miles
Step-by-step explanation:
20 gallons = 420 miles
Divide by 20
1 gallon = 21 miles