Question

a car travels 120 kilometers in 30 minutes. what is the cars average speed?
3600 km/minute
4 km/minute
0.25 km/minute
90 kn/minute

Explanation:

Step1: Recall speed formula

Speed = $\frac{Distance}{Time}$

Step2: Substitute values

Distance = 120 km, Time = 30 minutes. So, Speed = $\frac{120}{30}$

Step3: Calculate result

$\frac{120}{30}=4$ km/minute

Answer:

B. 4 km/minute