A trader has \(2525\) \(kg\) of sugar and \(3775\) \(kg\) of flour. He packs them into sacks of one fixed capacity, so that each sack holds only one kind of material. After packing, \(25\) \(kg\) of sugar and \(25\) \(kg\) of flour remain, being too little to fill a sack. Find the greatest possible capacity of one sack.
(i) The greatest possible capacity of one sack
(i) The greatest possible capacity of one sack
(ii) Calculate the number of sacks of each kind, and the total number of sacks.