SOLUTION: a car takes 1 hour to travel 100 km along a main road and then 1/2 hour to travel 20 km along a side road. What is the average speed of the car? a. 60 km/h b. 70 km/h c. 80 km/

Algebra ->  Test -> SOLUTION: a car takes 1 hour to travel 100 km along a main road and then 1/2 hour to travel 20 km along a side road. What is the average speed of the car? a. 60 km/h b. 70 km/h c. 80 km/      Log On


   



Question 1126350: a car takes 1 hour to travel 100 km along a main road and then 1/2 hour to travel 20 km along a side road.
What is the average speed of the car?
a. 60 km/h
b. 70 km/h
c. 80 km/h
d. 100 km/h

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
a car takes 1 hour to travel 100 km along a main road and then 1/2 hour to travel 20 km along a side road.
What is the average speed of the car?
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Total distance = 120 km
Total time = 1.5 hours