a reduction of 50 % in the price of apples would enable a man to obtain 80 more for rs . 55 , what is reduced price per dozen ?
c 55 * ( 50 / 100 ) = 28 - - - 64 ? - - - 12 = > rs . 4
multiply(divide(divide(multiply(50, 55), const_100), 80), const_12)