document.write( "Question 491014: A Racing car completes a 15 km lap of a track in 5 minutes express this speed in km/hr \n" ); document.write( "
Algebra.Com's Answer #334419 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
15 km/5 min = 3 km/min
\n" ); document.write( "3 km/min * 60 min/hr = 180 km/hr
\n" ); document.write( "Notice how the units cancel
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