Liz drove from point A to point B at 40 Km/h. On her way back she drove at 50 Km/h and therefore her way back lasted one hour less. What is the distance (in Km) between A and B?	Choose the correct choice from the following options:
A) 150
B) 200
C) 450
D) 500
E) 600
Distance is same   S1t1=s2t2   40t= 50 (t-1)   t=5   distance= speed *time    40*5= 
<gadget id="calculator"> 40*5</gadget>
<output>200</output>
200   ANSWER:200
<result>B</result>
Liz drove from point A to point B at 40 Km/h. On her way back she drove at 50 Km/h and therefore her way back lasted one hour less. What is the distance (in Km) between A and B?