The graph models the linear relationship between the number of gallons in the tank and the kilometers driven for a jeep and a van

Based on the graph, which statement appears to be true?
a There were 70 gallons in the tank at 5 km for both the jeep and the van.
b There were more gallons in the tank at 70 km in the jeep than in the van.
c There were less gallons in the tank at 70 km in the jeep than in the van.
d There were 5 gallons in the tank at 70 km for both the jeep and the van.

b There were more gallons in the tank at 70 km in the jeep than in the van.