Asked by factions

Ron ran 450 meters round a trak in 3 minutes. What was his average running speed in km/h?
Answered by kudum
1 km = 1000 meter
1h = 60 min
km = 450/1000= 0.45
hr = 3/60 = 0.05
speed = distance/time
= 0.45/0.05
= 9km/h
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