 
<translate> Ka yi tunani a kan wannan tambayar. Idan sushi yana hawa kilomita 27 sama da kilomita 81 ƙasa da tururi yana ɗaukar sa'o'i 9 kowannensu, to saurin rafin Zaɓuɓɓuka: (A) 12 km a kowace awa (B) 13 kilomita a kowace awa (C) 22 kilomita a kowace awa (D) 20 km a kowace awa (E) 15 km a kowace awa <eng> Use some thinking to answer the following question. If sushi rows 27 km upstream and 81 km down steam taking 9 hours each, then the speed of the stream
Options:
(A) 12 kmph
(B) 13 kmph
(C) 22 kmph
(D) 20 kmph
(E) 15 kmph 