 
<translate> Ajụjụ: Ọsọ ụgbọ mmiri na-agba n'elu mmiri bụ 60 kmph na ọsọ nke ụgbọ mmiri na-agbada bụ 100 kmph. Chọpụta ọsọ ụgbọ mmiri na mmiri na ọsọ iyi? Nhọrọ: (A) 70, 10 kmph (B) 35, 27 kmph (C) 50, 60 kmph (D) 80, 20 kmph (E) 45, 65 kmph Ka anyị nye ụfọdụ echiche na-enweghị isi tupu ịza. <eng> Q: The speed of a boat in upstream is 60 kmph and the speed of the boat downstream is 100 kmph. Find the speed of the boat in still water and the speed of the stream?
Options:
(A) 70, 10 kmph
(B) 35, 27 kmph
(C) 50, 60 kmph
(D) 80, 20 kmph
(E) 45, 65 kmph Let's give some random thoughts before answering. 