In a kilometer race, A beats B by 50 meters or 20 seconds. What time does A take to complete the race?	Choose the correct choice from the following options.
A) 380 sec  B) 190 sec  C) 726 sec  D) 127 sec  E) 128 sec
Time taken by B run 1000 meters   = (1000 * 20)/50= 
<gadget id="calculator">(1000 * 20)/50</gadget>
<output>400</output>
400 sec.   Time taken by A= 400 - 20= 
<gadget id="calculator">400 - 20</gadget>
<output>380</output>
380 sec.   380 secnswer: 380 sec
<result>A</result>
In a kilometer race, A beats B by 50 meters or 20 seconds. What time does A take to complete the race?