A person crosses a 1000 m long street in 5 minutes. What is his speed in km per hour?	Pick one:	A) 5.2 km/hr.	B) 8.2 km/hr.	C) 12.0 km/hr.	D) 3.2 km/hr.	E) 4.2 km/hr.
C   12.0 km/hr.   Speed=(1000/5 * 60) m/sec   = 3.33 m/sec.   12.0 km/hr.onverting m/sec to km/hr   =(3.33*18/5) km/hr   = 12.0 km/hr.
<result>C</result>
A person crosses a 1000 m long street in 5 minutes. What is his speed in km per hour?