Question

On a recent car ride, a student traveled the first 20 kilometers in 5 minutes, the next 60 kilometers in 50 minutes, and the last 10 kilometers in 5 minutes. What was the average speed of the car over the student's entire ride?
1.5 km/min


5 km/min

2 km/min

4 km/min

Answer 1

Answer:

it is 90 km in one hour it is 90km/h

90/60=1,5