the list price of an article is rs. 66. a customer pays rs. 56.16 for it. he was given two successive discounts, one of them being 10 %. the other discount is?	Options.
A) 3.45 %	B) 4.45 %	C) 5.45 %	D) 6.45 %	E) 7.45 %
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">66 * (1/10)</gadget>
<output>33/5 = around 6.6</output>

<gadget id="calculator">66 - (33/5)</gadget>
<output>297/5 = around 59.4</output>

<gadget id="calculator">(297/5) - 56.16</gadget>
<output>3.24</output>

<gadget id="calculator">3.24 / (297/5)</gadget>
<output>0.054545</output>

<gadget id="calculator">0.054545 * 100</gadget>
<output>5.4545</output>

<result>C</result>
the list price of an article is rs. 66. a customer pays rs. 56.16 for it. he was given two successive discounts, one of them being 10 %. the other discount is?
multiply(divide(subtract(subtract(66, multiply(66, divide(10, const_100))), 56.16), subtract(66, multiply(66, divide(10, const_100)))), const_100)
"66 * ( 90 / 100 ) * ( ( 100 - x ) / 100 ) = 56.16 x = 5.45 % answer : c"