SOLUTION: a car travels at a speed of 40 km/h for 2 hours and then at 60 km/h for 3 hours.What is the average speed of the car during the entire journey?

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Question 765599: a car travels at a speed of 40 km/h for 2 hours and then at 60 km/h for 3 hours.What is the average speed of the car during the entire journey?
Answer by lwsshak3(11628) About Me  (Show Source):
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a car travels at a speed of 40 km/h for 2 hours and then at 60 km/h for 3 hours.What is the average speed of the car during the entire journey?
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speed=distance/travel time
distance=2*40+60*3=80+180=260 km
travel time=2+3=5 hrs
Average speed during entire journey=260/5=52 km/h