if the simple interest on a certain amount in at 4 % rate 5 years amounted to rs. 2160 less than the principal. what was the principal?  Select:	A) 1500	B) 2500	C) 2700	D) 3200	E) 11500
<gadget id="calculator">4 * 5</gadget>
<output>20</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">2_160 / (4/5)</gadget>
<output>2_700</output>

<result>C</result>
if the simple interest on a certain amount in at 4 % rate 5 years amounted to rs. 2160 less than the principal. what was the principal?
divide(2160, subtract(const_1, divide(multiply(4, 5), const_100)))
p - 2160 = ( p * 5 * 4 ) / 100 p = 2700 answer : c