 
<translate> Tụlee ajụjụ ahụ. Ọsọ ụgbọ epeepe na-agba n'ime mmiri na-adịghị asọ bụ 60kmph na ọsọ nke mmiri na-asọ bụ 30kmph. Chọta ọsọ na-agbadata na nke na-agbago? Nhọrọ: (A) 40, 68 kmph (B) 40, 30 kmph (C) 90, 60 kmph (D) 40, 60 kmph (E) 90, 30 kmph Ọ bụrụ na azịza ya bụ " (E) "; kọwaa ihe kpatara ya: <eng> Consider the question. The speed of a boat in still water is 60kmph and the speed of the current is 30kmph. Find the speed downstream and upstream?
Options:
(A) 40, 68 kmph
(B) 40, 30 kmph
(C) 90, 60 kmph
(D) 40, 60 kmph
(E) 90, 30 kmph
 If the answer is '(E)'; explain the reasoning: 