 
<translate> Chebara ajụjụ na-esonụ echiche. Ọsọ ụgbọ mmiri na-agba n'elu mmiri bụ 100 kmph na ọsọ nke ụgbọ mmiri na-agbada bụ 112 kmph. Chọpụta ọsọ ụgbọ mmiri na mmiri na ọsọ iyi? Nhọrọ: (A) 70, 10 kmph (B) 106, 6 kmph (C) 50, 60 kmph (D) 45, 55 kmph (E) 45, 65 kmph <eng> Use some thinking to answer the following question. The speed of a boat in upstream is 100 kmph and the speed of the boat downstream is 112 kmph. Find the speed of the boat in still water and the speed of the stream?
Options:
(A) 70, 10 kmph
(B) 106, 6 kmph
(C) 50, 60 kmph
(D) 45, 55 kmph
(E) 45, 65 kmph 