A person crosses a 600 metre long street in 5 minutes. What is his speed in km per hour?  Select the correct option: A) 8.2 B) 4.2 C) 6.1 D) 7.2 E) 5.4
Explanation:   Solution 17.2istance =600 metre =0.6 km   Time =5=5 minutes =1/12 hour   Speed=distance/time=0.6/(1/12)= 
<gadget id="calculator">0.6/(1/12)</gadget>
<output>7.2</output>
7.2 km/hr   ANSWER IS 7.2
<result>D</result>
A person crosses a 600 metre long street in 5 minutes. What is his speed in km per hour?