a reduction of 25 % in the price of apples would enable a man to obtain 36 more for rs . 25 , what is reduced price per dozen ?
"a 25 * ( 25 / 100 ) = 6 - - - 36 ? - - - 12 = > rs . 2"
multiply(divide(divide(multiply(25, 25), const_100), 36), const_12)