Answer:
60 miles
Step-by-step explanation:
1 gallon every 20 miles
uses 3 gallons
3 • 20 = 60
1 gallon = 20 miles
3 gallons = 20 × 3
3 gallons = 60 miles
3 + 4n -9 + 5n
9n - 6
3
i googled it, if anyone else answers Brainliest?