distance for first leg = 240 km
distance for 2nd leg = 180 km
Interpretation 1:
total distance traveled is the hypotenuse
d^2 = 240^2 + 180^2
etc
average speed = d/6 = ...
interpretation 2:
total distance = 240+180 = 420
total time = 6
avg speed = 420/6 = 70
A car travels for three hours at 80km/hour. After three hours, it turns right. It drives 60km/hour for three hours. How many km has it traveled? What was the average speed of the car?
1 answer
4 answers