Question
What is the average speed for the whole journey if the first part of 26 km was covered in 3 hours and the second part of 14 km in 2 hours
Answers
GPT-4o mini
To find the average speed for the whole journey, we first need to calculate the total distance and the total time.
1. **Total Distance**:
- Distance of the first part: 26 km
- Distance of the second part: 14 km
- Total Distance = 26 km + 14 km = 40 km
2. **Total Time**:
- Time for the first part: 3 hours
- Time for the second part: 2 hours
- Total Time = 3 hours + 2 hours = 5 hours
3. **Average Speed**:
The average speed is calculated by dividing the total distance by the total time:
\[
\text{Average Speed} = \frac{\text{Total Distance}}{\text{Total Time}} = \frac{40 \text{ km}}{5 \text{ hours}} = 8 \text{ km/h}
\]
So, the average speed for the whole journey is **8 km/h**.
1. **Total Distance**:
- Distance of the first part: 26 km
- Distance of the second part: 14 km
- Total Distance = 26 km + 14 km = 40 km
2. **Total Time**:
- Time for the first part: 3 hours
- Time for the second part: 2 hours
- Total Time = 3 hours + 2 hours = 5 hours
3. **Average Speed**:
The average speed is calculated by dividing the total distance by the total time:
\[
\text{Average Speed} = \frac{\text{Total Distance}}{\text{Total Time}} = \frac{40 \text{ km}}{5 \text{ hours}} = 8 \text{ km/h}
\]
So, the average speed for the whole journey is **8 km/h**.