A person crosses a 500 m long street in 4 minutes. What is his speed in km per hour?	Pick.
A) 7.5	B) 2.6	C) 3.9	D) 8.2	E) 2.7
distance = 500 meter   time = 4 minutes = 4 x 60 seconds = 240 seconds   Speed = distance/time=500/240=2.08 m/s=2.08Ã—18/5 km/hr=7.5 km/hr   7.5nswer :7.5
<result>A</result>
A person crosses a 500 m long street in 4 minutes. What is his speed in km per hour?