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A group of cyclists take a road trip. They travel 5 km in 25 minutes to reach the edge of town. Once out of town, they travel the next 5 km in 15 minutes. What was the average speed of this trip?(1 point) Responses 0.2 km/min 0.2 km/min 0.25 km/min 0.25 km/min 0.125 km/min 0.125 km/min 0.33 km/min

1 answer

To find the average speed of the trip, we first need to calculate the total distance traveled and the total time taken.

  1. Total Distance:

    • The cyclists traveled 5 km to the edge of town and then another 5 km out of town.
    • Total distance = 5 km + 5 km = 10 km.

  2. Total Time:

    • The time taken to travel the first 5 km is 25 minutes.
    • The time taken to travel the second 5 km is 15 minutes.
    • Total time = 25 minutes + 15 minutes = 40 minutes.

  3. Average Speed Calculation:

    • The average speed is given by the formula: \[ \text{Average Speed} = \frac{\text{Total Distance}}{\text{Total Time}} \]
    • Using the values we calculated: \[ \text{Average Speed} = \frac{10 \text{ km}}{40 \text{ minutes}} = 0.25 \text{ km/min} \]

Therefore, the average speed of the trip is 0.25 km/min.