A car can travel 20 miles in 5 gallons of fuel and 48 miles in 12 gallons of fuel. Find the unit rate.

Q. Emma's car covers $\frac{12}{5}$ miles for per gallon of fuel consumed. What distance will her car cover using $3$ gallons of fuel?

Q. John's car travels $\frac{12}{5}$ miles per gallon. Suppose that the tank is empty and he fueled it $\frac{7}{3}$ gallons, How far can he go?

Q. A car can travel $\frac{12}{5}$ miles per gallon of gas. How far can it go with 3 gallons of gas?

Q. If a certain car can travel $240$ miles on $12$ gallons of gasoline, then at the same rate, calculate how many gallons of gasoline are needed to travel $300$ miles.

Q. A car has two gallons of fuel left in it. Depending on the terrain and the elevation it can cover different distances across different routes. This data is represented in the given radar chart. If each rung in the chart represents a distance of 20 miles, calculate the average fuel efficiency of the car in miles per gallon.