 
 <translate> 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. <ibo> Iji gaa kilomita iri atọ, Fabian ga-aga kilomita iri atọ na ise n'otu awa. Ebe ọ bụ na o jerela ije awa atọ, ọ ga-aga ije awa isii ọzọ - awa atọ = awa atọ. Azịza ya bụ: 3. 