Answer:
y=1/2x
Step-by-step explanation:
Look at the graph, all you need is the first point.
Y is at 4 and X is at 2. We can divide y/x to get 4/2=1/2x
My guess is he gets heads about half the time
It can travel 125km with 5 liters
And 6 liters to travel 150 :)