A reduction of 20% in the price of salt enables a lady to obtain 25 kgs more for Rs.100, find the original price per kg?	Choose the correct choice.
A) 6	B) 1	C) 5	D) 4	E) 7
100*(20/100)= 
<gadget id="calculator">100*(20/100)</gadget>
<output>20</output>
20 --- 25   ? --- 1=&gt; Rs.0.8   100 --- 80   ? --- 0.8 =&gt; Rs.1   Answer: 1
<result>B</result>
A reduction of 20% in the price of salt enables a lady to obtain 25 kgs more for Rs.100, find the original price per kg?