In a 2000 m race, A beats B by 180 meters or 50 seconds. Find the speed of B?
Choose the correct choice: A) 3.6m/s B) 2m/s C) 5m/s D) 7m/s E) 3m/s
Since A beats B by 180 m or 50 seconds,   it implies that B covers 180 m in 50 seconds.   Hence speed of B = 180/50= 
<gadget id="calculator">180/50</gadget>
<output>18/5 = around 3.6</output>
3.6 m/s.   3.6m/snswer: 3.6m/s
<result>A</result>
In a 2000 m race, A beats B by 180 meters or 50 seconds. Find the speed of B?