 
 <translate> Every day, the sprinkler uses 4 + 6 = 10 liters of water. Hence, it takes the sprinkler system 50 / 10 = 5 days to use 50 liters of water.
Thus, the answer is 5. <hau> Kowace rana, sprinkler yana amfani da 4 + 6 = lita 10 na ruwa. Saboda haka, yana daukan tsarin sprinkler 50 / 10 = kwanaki 5 don amfani da lita 50 na ruwa. Saboda haka, amsar ita ce 5. 