PLEEEEEEAAAAAASSSSSSE HELLLLLP!!
The graph shows the progress of a car in which traveled 300 km in 5 hours. Assuming that its speed remained constant, how far had the car gone after 2 hours?
A) 110 km
B) 120 km
C) 130 km
D) 140 km
*use the two points, (5,300) and (2,_)