The cost of an article is decreased by 15%. If the original cost is $80, find the decrease cost.	Choices
A) 33 B) 11 C) 68 D) 36 E) 91
Original cost = $80   Decrease in it = 15% of $80   = 15/100 × 80   = 1200/100= 
<gadget id="calculator">1200/100</gadget>
<output>12</output>
$12   Therefore, decrease cost= $80 - $12 = $68   Answer:6880 -  12= 
<gadget id="calculator">80 -  12</gadget>
<output>68</output>
$68   Answer:68
<result>C</result>
The cost of an article is decreased by 15%. If the original cost is $80, find the decrease cost.