A person crosses a 600 m long street in 5 minutes. What is his speed in km per hour?	Choose the correct choice.
A) 7.2	B) 4.2	C) 6.1	D) 7.2	E) 8.2
Explanation:   distance = 600 meter   time = 5 minutes = 5 x 60 seconds = 300 seconds   Speed = distance/time = 600/300= 
<gadget id="calculator">600/300</gadget>
<output>2</output>
2m/s= 2×185 km/hr = 365 km/hr = 7.2 km/hr   7.2nswer: Option 7.2
<result>A</result>
A person crosses a 600 m long street in 5 minutes. What is his speed in km per hour?