 
<translate> Kilomita mbụ ya bụ nkeji isii, mgbe ahụ nkeji ise, nkeji ise ọzọ na kilomita ikpeazụ ya bụ nkeji anọ ya mere o were ya nkeji isii gbakwunyere ise gbakwunyere ise gbakwunyere anọ = nkeji iri abụọ Ọ na-ewe nkeji iri abụọ iji gbaa kilomita anọ nke mere na ọ na-eji nkeji ise agba kilomita ọ bụla. Azịza ikpeazụ ya bụ: 5. <eng> His first mile was in 6 minutes, then 5 minutes, another 5 minutes and his final mile was 4 minutes so it took him 6 + 5 + 5 + 4 = 20 minutes. It took 20 minutes to run 4 miles so his average time was 20 / 4 = 5 minutes per mile.
The final answer: 5. 