after decreasing 90 % in the price of an article costs rs. 320. find the actual cost of an article? Select the correct option
A) 2777	B) 2987	C) 3200	D) 9977	E) 1671
<gadget id="calculator">90 / 100</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">1 - (9/10)</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">320 / (1/10)</gadget>
<output>3_200</output>

<result>C</result>
after decreasing 90 % in the price of an article costs rs. 320. find the actual cost of an article?
divide(320, subtract(const_1, divide(90, const_100)))
"cp * ( 10 / 100 ) = 320 cp = 32 * 100 = > cp = 3200 answer : c"