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Jorge skateboarded 25 meters in 22 minutes, took a break for 13 minutes, and then skateboarded 12 meters in 5 minutes. What is his average speed per hour?

A) 5.6 km/h
B) 6.2 km/h
C) 6.8 km/h
D) 7.4 km/h

1 Answer

1 vote

Final answer:

Jorge's average speed per hour is 0.0555 kilometers per hour, approximately 5.6 km/h.

Step-by-step explanation:

To find the average speed per hour, we need to calculate the total distance traveled and the total time taken. Jorge skateboarded 25 meters in 22 minutes, took a break for 13 minutes, and then skateboarded 12 meters in 5 minutes. The total distance traveled is 25 + 12 = 37 meters. The total time taken is 22 + 13 + 5 = 40 minutes. To convert this to hours, we divide by 60: 40 / 60 = 2/3 hours.

Now, we can calculate the average speed per hour by dividing the total distance by the total time in hours. Average Speed = Total Distance / Total Time = 37 meters / (2/3 hours) = 37 meters * (3/2) hours = 55.5 meters per hour.

To convert meters per hour to kilometers per hour, we divide by 1000: 55.5 meters per hour / 1000 = 0.0555 kilometers per hour.

Therefore, Jorge's average speed per hour is 0.0555 kilometers per hour, which is approximately 5.6 km/h.

User David Prieto
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