A reduction of 20% in the price of salt enables a lady to obtain 20 kgs more for Rs.100, find the original price per kg?	Pick one
A) 12.6
B) 1.21
C) 1.25
D) 12.4
E) 12.7
100*(20/100)= 
<gadget id="calculator">100*(20/100)</gadget>
<output>20</output>
20 --- 20   ? --- 1=&gt; Rs.1   100 --- 80   ? --- 1=&gt; Rs.1.25   Answer: 1.25
<result>C</result>
A reduction of 20% in the price of salt enables a lady to obtain 20 kgs more for Rs.100, find the original price per kg?