 
<translate> Don tafiya kilomita 30, Fabian zai buƙaci tafiya kilomita 30 / kilomita 5 / awa = awa 6. Tun da yake ya riga ya yi tafiya na awa uku, zai bukaci ya yi tafiya na sa'o'i shida - sa'o'i uku = sa'o'i uku. Amsar ita ce: 3. <eng> To walk 30 kilometers, Fabian would need to walk for 30 km / 5 km / hour = 6 hours. As he had already walked for 3 hours, he would need to walk for another 6 hours - 3 hours = 3 hours.
The answer: 3. 