George drives first 120 km in 1 hours and next 180 km at an average speed of 120km/h. What is his average speed for the entire trip in km/h answers quick plss
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Answer:
120km/h
Step-by-step explanation:
Total distance=120+180km
Total time=1+(180÷120)
=1+1.5
=2.5h
Average speed=total distance/total time
=300/2.5
=120km/h
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