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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

0.125 km/min
0.125 km/min

0.33 km/min
0.33 km/min

0.25 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 first part of the trip is 5 km and the second part is another 5 km.
    • Total Distance = 5 km + 5 km = 10 km.

  2. Total Time:

    • The first part of the trip takes 25 minutes and the second part takes 15 minutes.
    • Total Time = 25 minutes + 15 minutes = 40 minutes.

  3. Average Speed:
    Average speed is calculated using the formula:
    \[ \text{Average Speed} = \frac{\text{Total Distance}}{\text{Total Time}} \]
    Substituting in the values:
    \[ \text{Average Speed} = \frac{10 \text{ km}}{40 \text{ minutes}} = 0.25 \text{ km/min} \]

The average speed of the trip is 0.25 km/min.

The correct response is: 0.25 km/min.