In a 300 m race A beats B by 22.5 m or 6 seconds. B's time over the course is:  Options: A) 80 sec B) 86 sec C) 76 sec D) 49 sec E) 50 sec
B runs 300 m in  (6*2/45*300)= 
<gadget id="calculator">  (6*2/45*300)</gadget>
<output>80</output>
80 sec   80 secNSWER 80 sec
<result>A</result>
In a 300 m race A beats B by 22.5 m or 6 seconds. B's time over the course is: