Question

find the distance if speed 90km/h and time is 80min

Answer 1

90km/h=90×5/18=25m/s

as we know distance=speed/time

so,distance=25×80×60=12000m
120km is the answer..

hope it helps..

Answer 2

Speed is equal to 90km/hr=90*5/18=25m/s
Time is equal to 80 min
80*60s=4800s
Therefore distance is equal to 25m/s*4800s=120000mor 120km.