Answer:
Car B
Step-by-step explanation:
Car A: 105 miles/3 gallons
= 35miles/gallon
1 gallon = 4.5 litres
So 9 litres = 2 gallons
Car B: 80 miles/2 gallons
= 40 miles/gallon
x+2+x=180
2x=180-2
2x=178
x=89
19.7%