A can run 2.7 km distance in 1 min 20 seconds, while B can run this distance in 1 min 30 sec. By how much distance can A beat B?	Choices:	A) 90 m	B) 30 m	C) 120 m	D) 300 m	E) 190 m
A takes time 1.20 minutes=80sec   B takes time 1.30 minutes=90sec   diffrence= 90-80= 
<gadget id="calculator">90-80</gadget>
<output>10</output>
10sec   now we are to find distance covered in 10 sec by B   90sec=30m   1sec=30m   10sec=10x30=300m   ANSWER:300 m
<result>D</result>
A can run 2.7 km distance in 1 min 20 seconds, while B can run this distance in 1 min 30 sec. By how much distance can A beat B?