The cost of an article is decreased by 10%. If the original cost is $100, find the decrease cost.
Choose the correct choice from the following answers:
A) 33
B) 11
C) 68
D) 36
E) 90
Original cost = $100   Decrease in it = 10% of $100   = 10/100 Ã—100   = 1000/100= 
<gadget id="calculator">1000/100</gadget>
<output>10</output>
$10   Therefore, decrease cost= $100 - $10 = $90   Answer:90100 -  10= 
<gadget id="calculator">100 -  10</gadget>
<output>90</output>
$90   Answer:90
<result>E</result>
The cost of an article is decreased by 10%. If the original cost is $100, find the decrease cost.