a vehicle travels 24km with a constant speed of 65 km/h and another 50 km with a constant speed of 80 km/h what was its average
speed
1 answer:
Average speed=totaldistance/totaltime
totaldistance=24+50=74km
total time
65/24=0.3692307 hours
80/50=1.6 hours
total time=0.3692307+1.6=1.9692307
averagespeed=74/1.9692307=37.5781263 km/h
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