In a 1000 m race, A beats B by 320 meters or 25 seconds. Find the speed of B? Choices:
A) 8  B) 9  C) 12.8  D) 5  E) 2
Since A beats B by 320 m or 25 seconds, i   t implies that B covers 320 m in 25 seconds.   Hence speed of B = 320/25= 
<gadget id="calculator">320/25</gadget>
<output>64/5 = around 12.8</output>
12.8 m/s.   Answer: 12.8
<result>C</result>
In a 1000 m race, A beats B by 320 meters or 25 seconds. Find the speed of B?