A reduction of 30% in the price of salt enables a lady to obtain 10kgs more for Rs.200, find the original price per kg?	Choose the correct choice from the following answers:
A) 7.5
B) 8.99
C) 8.0
D) 9.2
E) 8.57
Answer:	200*(30/100)= 
<gadget id="calculator">200*(30/100)</gadget>
<output>60</output>
60 --- 10   ? --- 1=&gt; Rs.6   200 --- 140   ? --- 6 =&gt; Rs.8.57.Answer: 8.57
<result>E</result>
A reduction of 30% in the price of salt enables a lady to obtain 10kgs more for Rs.200, find the original price per kg?