 
 <translate> Give stream of consciousness and then the final answer. A man can row a boat at 10 kmph in still water and the speed of the stream is 8 kmph. What is then time taken to row a distance of 90 km down the stream ?
Options:
(A) 8hrs
(B) 5 hrs
(C) 15 hrs
(D) 15 hrs
(E) 20 hrs <ibo> Kwuo ihe ị ga-eme ma gwazie gị ihe ị ga-eme. Nwoke nwere ike ịkwọ ụgbọ mmiri na-agba kilomita iri n'otu elekere n'ime mmiri na-adịghị asọ na ọsọ nke iyi ahụ bụ kilomita asatọ n'otu elekere. Ya bụrụ otú ahụ, ogologo oge hà aṅaa ka ọ na - ewe mmadụ ịkwọ ụgbọ epeepe ruo kilomita 90? Nhọrọ: (A) 8hrs (B) 5 awa (C) 15 awa (D) 15 awa (E) Awa iri abụọ 