The cost of an article is decreased by 50%. If the original cost is $200, find the decrease cost.  Choose the correct choice:
A) 330
B) 200
C) 150
D) 100
E) 91
Original cost = $200   100ecrease in it = 50% of $200   = 50/100 Ã— 200   = 10000/100= 
<gadget id="calculator">10000/100</gadget>
<output>100</output>
$100   Therefore, decrease cost= $200 - $100 = $100   Answer:100200 -  100= 
<gadget id="calculator">200 -  100</gadget>
<output>100</output>
$100   Answer:100
<result>D</result>
The cost of an article is decreased by 50%. If the original cost is $200, find the decrease cost.