the speed of car is 54 1/2 km per hour.what is the distance travelled in 7/2 hours and 35/2 minutes? ans fast pls

We know that distance = speed * time
It is given that speed = 5412km/hr and time = 72hr352min
speed = 54+12= 1092km/hr 
We know that 1 hour = 60 minutes
352min=352*160hr352min=724hrthat means total time = 72+724hr=9124hr
hence the distance = 1092*9124=2063148km/hr

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