In a kilometer race, A beats B by 100 meters or 10 seconds. What time does A take to complete the race?	Pick one:
A) 90 sec B) 190 sec C) 290 sec D) 490 sec E) 390 sec
Time taken by B run 1000 meters = (1000 * 10)/100= 
<gadget id="calculator">(1000 * 10)/100</gadget>
<output>100</output>
100 sec.   Time taken by A= 100 - 10= 
<gadget id="calculator">100 - 10</gadget>
<output>90</output>
90 sec.   90 secnswer:90 sec
<result>A</result>
In a kilometer race, A beats B by 100 meters or 10 seconds. What time does A take to complete the race?