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Sagot :
The average speed of the vehicle will be 160 km/ hr. Option 5 is correct.
What is the average speed?
The total distance traveled by an object divided by the total time taken is the average speed.
The average speed of an object indicates the pace at which it will traverse a distance. The metric unit of speed is the meter per second.
The average speed is found as;
[tex]\rm v_{avg}= \frac{50 +30}{20+10} \\\\ v_{avg}= \frac{80}{30} \\\\ v_{avg}= 2.66 \ km/min[/tex]
Unit conversion;
1 km/min=60 km/hr
2.66 km/min=2.66 ×60 km/hr
2.66 km/min=160 km/hr
Hence the average speed of the vehicle will be 160 km/ hr.
To learn more about the average speed, refer to the link;
https://brainly.com/question/12322912
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