a reduction of 25 % in the price of salt enables a lady to obtain 10 kgs more for rs . 800 , find the original price per kg ?
"answer : 800 * ( 25 / 100 ) = 200 - - - 10 ? - - - 1 = > rs . 20 800 - - - 600 ? - - - 20 = > rs . 26.67 . answer : b"
multiply(divide(divide(multiply(divide(25, const_100), 800), 10), multiply(divide(25, const_100), 800)), const_100)