A person crosses a 600 m long street in 5 minutes. What is his speed in km per hour?
Choose the correct choice:
A) 5.6
B) 8.9
C) 7.2
D) 2.5
E) 7.4
Explanation:   Speed = Distance/Time   Speed =(600/(5*60))m/sec   7.2onverting m/sec to km/hr   =(2*18/5)km/hr=7.2 km/hr   Answer 7.2
<result>C</result>
A person crosses a 600 m long street in 5 minutes. What is his speed in km per hour?