 <translate> Buru ụzọ chọpụta ogologo oge ọ ga-ewe gị ịga ije n'okporo ụzọ nke mbụ ahụ: kilomita iri abụọ na ise n'otu awa ma ọ bụ kilomita ise n'otu awa = awa anọ. Chọpụtazie awa ole James na-eji aga ije nke abụọ ahụ: kilomita iri na abụọ / kilomita atọ n'otu awa = awa anọ. Mgbe ahụ, gbakwunye oge ezumike nke awa 1 nke James ga-ewere n'ụzọ nke abụọ: awa 4 + 1 awa = awa 5. Mgbe ahụ, wepụ oge maka ụzọ nke mbụ site na oge maka ụzọ nke abụọ iji chọpụta ihe dị iche: awa 5 - awa 4 = 1 awa. Ya mere, azịza ya bụ 1. <hau> Da farko gano tsawon lokacin da hanyar farko ta dauka don tafiya: 20 mil / 5 mil / awa = 4 hours. Sannan ka gano tsawon lokacin da James ya shafe yana tafiya a hanya ta biyu: 12 mil / 3 mil / awa = 4 hours. Sa'an nan kuma ƙara hutu na awa 1 James dole ne ya ɗauki hanya ta biyu: 4 hours + 1 hour = 5 hours. Sa'an nan kuma rage lokacin da za a fara tafiya ta farko daga lokacin da za a bi na biyu don samun bambanci: 5 hours - 4 hours = 1 hour. Saboda haka, amsar ita ce 1. 