A person completes a journey of 30 km at a speed of 6 km / h and a journey of the remaining 40 km at a speed of 8 km / h. What is his average speed of travel for the entire journey?
5 714 603744369d90e74af72b0f79
Q:
A person completes a journey of 30 km at a speed of 6 km / h and a journey of the remaining 40 km at a speed of 8 km / h. What is his average speed of travel for the entire journey?
- 17 km/hourtrue
- 2$$ {6{4\over11}}{km/hour}$$false
- 38 km/hourfalse
- 47.5 km/hourfalse
- Show Answer
- Workspace
- Discuss