a car travels down a highway at a constant speed shown in the graph below. find the speed of the car…

a car travels down a highway at a constant speed shown in the graph below. find the speed of the car. kilometers per hour
Answer
Answer:
80
Explanation:
Step1: Recall speed formula
Speed = $\frac{\text{Distance}}{\text{Time}}$
Step2: Select two - point on graph
Let's take the points (0,0) and (1,80).
Step3: Calculate speed
Speed=$\frac{80 - 0}{1 - 0}=80$ km/h