SOLUTION: A Racing car completes a 15 km lap of a track in 5 minutes express this speed in km/hr

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Question 491014: A Racing car completes a 15 km lap of a track in 5 minutes express this speed in km/hr
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
15 km/5 min = 3 km/min
3 km/min * 60 min/hr = 180 km/hr
Notice how the units cancel